diff --git a/README.md b/README.md
index 49a46e8..52495af 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,16 @@
 # vietnamese-bibtex
 Bibliography in Vietnamese with BibTeX. Currently supports only numeric citation. Made with [custom-bib](https://www.ctan.org/pkg/custom-bib).
 
-View the compiled PDF showcase [here](https://github.com/wonrax/vietnamese-bibtex/blob/main/test/test.pdf).
+### Style examples
+```
+[1] Leonard Susskind và George Hrabovsky (2014), Classical mechanics: the theoretical minimum (Penguin Random House, New York, NY).
+
+[2] P. J. Cohen (1963), “The independence of the continuum hypothesis”. Proceedings of the National Academy of Sciences, tập 50, số 6, tr. 1143–1148.
+
+[3] Jian Tang (1996 Tháng 9), “Spin structure of the nucleon in the asymptotic limit”. Luận văn Thạc sĩ, Massachusetts Institute of Technology, Cambridge, MA.
+
+[4] Judith Butcher (1981), Copy-editing (Cambridge University Press), 2nd edition.
+```
 
 ### How to use
 Download the file `vietnumeric.bst` and use it within your `.tex` file.
@@ -9,7 +18,7 @@ For example, if you put the `vietnumeric.bst` in the same directory with your `.
 ```
 \bibliographystyle{vietnumeric}
 ```
-Example, compilable code is available under [test/](https://github.com/wonrax/vietnamese-bibtex/tree/main/test).
+Example, compilable code is available under [example/](https://github.com/wonrax/vietnamese-bibtex/tree/main/example).
 ### About book edition translation
 Book edition (e.g., "3rd edition" or "phiên bản thứ 3") is not translated since it involves deep modification of the code. If you want to customize the style to translate the book edition, please refer to the section [#Customization](#customization) below.
 ### Customization
diff --git a/test/test.bib b/example/example.bib
similarity index 100%
rename from test/test.bib
rename to example/example.bib
diff --git a/test/test.tex b/example/example.tex
similarity index 56%
rename from test/test.tex
rename to example/example.tex
index cc282a8..4c3faa0 100644
--- a/test/test.tex
+++ b/example/example.tex
@@ -1,13 +1,14 @@
 \documentclass[hidelinks, 11pt, a4paper]{article}
 \usepackage[a4paper, total={6in, 9in}]{geometry}
-\usepackage[numbers]{natbib}
+\usepackage[numbers,sort&compress]{natbib}
 \usepackage[utf8]{inputenc}
 \usepackage[vietnamese]{babel}
 \usepackage[unicode]{hyperref}  
 
 \begin{document}
-Example citation: \cite{CitekeyBook,CitekeyArticle}\cite{CitekeyManual}.
+Example citation:
+\cite{CitekeyBook,CitekeyArticle}\cite{CitekeyManual}\cite{butcher-81,chicago-82,CitekeyIncollection,CitekeyProceedings}.
 \nocite{*}
 \bibliographystyle{../vietnumeric}
-\bibliography{test}
+\bibliography{example}
 \end{document}
diff --git a/test/test.pdf b/test/test.pdf
deleted file mode 100644
index de51c95..0000000
Binary files a/test/test.pdf and /dev/null differ
diff --git a/vietnumeric.bst b/vietnumeric.bst
index 4e5ee59..79ddb40 100644
--- a/vietnumeric.bst
+++ b/vietnumeric.bst
@@ -4,9 +4,9 @@
 %%
 %% The original source files were:
 %%
-%% merlin.mbs  (with options: `head,exlang,seq-no,seq-lab,ed-au,dt-beg,yr-par,dtrev,tit-qq,qx,bt-qq,thtit-a,vnum-nr,volp-com,pgsep-p,jwdpg,jwdvol,pub-par,isbn,issn,doi,english,pp,xedn,and-xcom,etal-xc,url,url-blk,nfss,,{}')
-%% vietnamese.mbs  (with options: `exlang,seq-no,seq-lab,ed-au,dt-beg,yr-par,dtrev,tit-qq,qx,bt-qq,thtit-a,vnum-nr,volp-com,pgsep-p,jwdpg,jwdvol,pub-par,isbn,issn,doi,english,pp,xedn,and-xcom,etal-xc,url,url-blk,nfss,,{}')
-%% merlin.mbs  (with options: `tail,exlang,seq-no,seq-lab,ed-au,dt-beg,yr-par,dtrev,tit-qq,qx,bt-qq,thtit-a,vnum-nr,volp-com,pgsep-p,jwdpg,jwdvol,pub-par,isbn,issn,doi,english,pp,xedn,and-xcom,etal-xc,url,url-blk,nfss,,{}')
+%% merlin.mbs  (with options: `head,exlang,seq-no,seq-lab,ed-au,dt-beg,yr-par,dtrev,tit-qq,qx,bt-qq,thtit-a,vnum-nr,volp-com,pgsep-p,jwdpg,jwdvol,pub-par,isbn,issn,doi,blk-tit,blknt,english,pp,xedn,and-xcom,etal-xc,url,url-blk,nfss,,{}')
+%% vietnamese.mbs  (with options: `exlang,seq-no,seq-lab,ed-au,dt-beg,yr-par,dtrev,tit-qq,qx,bt-qq,thtit-a,vnum-nr,volp-com,pgsep-p,jwdpg,jwdvol,pub-par,isbn,issn,doi,blk-tit,blknt,english,pp,xedn,and-xcom,etal-xc,url,url-blk,nfss,,{}')
+%% merlin.mbs  (with options: `tail,exlang,seq-no,seq-lab,ed-au,dt-beg,yr-par,dtrev,tit-qq,qx,bt-qq,thtit-a,vnum-nr,volp-com,pgsep-p,jwdpg,jwdvol,pub-par,isbn,issn,doi,blk-tit,blknt,english,pp,xedn,and-xcom,etal-xc,url,url-blk,nfss,,{}')
 %% ----------------------------------------
 %% ***  ***
 %% 
@@ -139,7 +139,7 @@ FUNCTION {add.blank}
 
 FUNCTION {date.block}
 {
-  new.block
+  skip$
 }
 
 FUNCTION {not}
@@ -457,7 +457,6 @@ FUNCTION {format.isbn}
 { isbn "isbn" bibinfo.check
   duplicate$ empty$ 'skip$
     {
-      new.block
       "ISBN " swap$ *
     }
   if$
@@ -467,7 +466,6 @@ FUNCTION {format.issn}
 { issn "issn" bibinfo.check
   duplicate$ empty$ 'skip$
     {
-      new.block
       "ISSN " swap$ *
     }
   if$
@@ -477,7 +475,6 @@ FUNCTION {format.doi}
 { doi empty$
     { "" }
     {
-      new.block
       "\doi{" doi * "}" *
     }
   if$
@@ -980,7 +977,7 @@ FUNCTION {article}
   format.date "year" output.check
   date.block
   format.title "title" output.check
-  new.block
+  new.sentence
   crossref missing$
     {
       journal
@@ -995,9 +992,8 @@ FUNCTION {article}
   if$
   format.issn output
   format.doi output
-  new.block
   format.url output
-  new.block
+  new.sentence
   format.note output
   fin.entry
 }
@@ -1018,22 +1014,20 @@ FUNCTION {book}
   format.btitle "title" output.check
   crossref missing$
     { format.bvolume output
-      new.block
+  new.sentence
       format.number.series output
-      new.sentence
       format.publisher.address output
     }
     {
-      new.block
+  new.sentence
       format.book.crossref output.nonnull
     }
   if$
   format.edition output
   format.isbn output
   format.doi output
-  new.block
   format.url output
-  new.block
+  new.sentence
   format.note output
   fin.entry
 }
@@ -1043,14 +1037,13 @@ FUNCTION {booklet}
   format.date output
   date.block
   format.title "title" output.check
-  new.block
+  new.sentence
   howpublished "howpublished" bibinfo.check output
   address "address" bibinfo.check output
   format.isbn output
   format.doi output
-  new.block
   format.url output
-  new.block
+  new.sentence
   format.note output
   fin.entry
 }
@@ -1074,14 +1067,13 @@ FUNCTION {inbook}
     {
       format.bvolume output
       format.chapter.pages "chapter and pages" output.check
-      new.block
+  new.sentence
       format.number.series output
-      new.sentence
       format.publisher.address output
     }
     {
       format.chapter.pages "chapter and pages" output.check
-      new.block
+  new.sentence
       format.book.crossref output.nonnull
     }
   if$
@@ -1091,9 +1083,8 @@ FUNCTION {inbook}
     'skip$
   if$
   format.doi output
-  new.block
   format.url output
-  new.block
+  new.sentence
   format.note output
   fin.entry
 }
@@ -1104,14 +1095,13 @@ FUNCTION {incollection}
   format.date "year" output.check
   date.block
   format.title "title" output.check
-  new.block
+  new.sentence
   crossref missing$
     { format.in.ed.booktitle "booktitle" output.check
       end.quote.btitle
       format.bvolume output
       format.number.series output
       format.chapter.pages output
-      new.sentence
       format.publisher.address output
       format.edition output
       format.isbn output
@@ -1121,9 +1111,8 @@ FUNCTION {incollection}
     }
   if$
   format.doi output
-  new.block
   format.url output
-  new.block
+  new.sentence
   format.note output
   fin.entry
 }
@@ -1133,14 +1122,13 @@ FUNCTION {inproceedings}
   format.date "year" output.check
   date.block
   format.title "title" output.check
-  new.block
+  new.sentence
   crossref missing$
     { format.in.ed.booktitle "booktitle" output.check
       end.quote.btitle
       format.bvolume output
       format.number.series output
       format.pages output
-      new.sentence
       publisher empty$
         { format.organization.address output }
         { organization "organization" bibinfo.check output
@@ -1155,9 +1143,8 @@ FUNCTION {inproceedings}
     }
   if$
   format.doi output
-  new.block
   format.url output
-  new.block
+  new.sentence
   format.note output
   fin.entry
 }
@@ -1177,26 +1164,24 @@ FUNCTION {manual}
   format.date output
   date.block
   format.btitle "title" output.check
+  new.sentence
   author empty$
     { organization empty$
         {
-          address new.block.checka
           address "address" bibinfo.check output
         }
         'skip$
       if$
     }
     {
-      organization address new.block.checkb
       organization "organization" bibinfo.check output
       address "address" bibinfo.check output
     }
   if$
   format.edition output
   format.doi output
-  new.block
   format.url output
-  new.block
+  new.sentence
   format.note output
   fin.entry
 }
@@ -1208,14 +1193,13 @@ FUNCTION {mastersthesis}
   date.block
   format.title
   "title" output.check
-  new.block
+  new.sentence
   bbl.mthesis format.thesis.type output.nonnull
   school "school" bibinfo.warn output
   address "address" bibinfo.check output
   format.doi output
-  new.block
   format.url output
-  new.block
+  new.sentence
   format.note output
   fin.entry
 }
@@ -1224,14 +1208,12 @@ FUNCTION {misc}
 { output.bibitem
   format.authors output
   format.date output
-  title howpublished new.block.checkb
   format.title output
-  howpublished new.block.checka
+  new.sentence
   howpublished "howpublished" bibinfo.check output
   format.doi output
-  new.block
   format.url output
-  new.block
+  new.sentence
   format.note output
   fin.entry
   empty.misc.check
@@ -1243,14 +1225,13 @@ FUNCTION {phdthesis}
   date.block
   format.title
   "title" output.check
-  new.block
+  new.sentence
   bbl.phdthesis format.thesis.type output.nonnull
   school "school" bibinfo.warn output
   address "address" bibinfo.check output
   format.doi output
-  new.block
   format.url output
-  new.block
+  new.sentence
   format.note output
   fin.entry
 }
@@ -1271,17 +1252,14 @@ FUNCTION {proceedings}
     { publisher empty$
         'skip$
         {
-          new.sentence
           format.publisher.address output
         }
       if$
     }
     { publisher empty$
         {
-          new.sentence
           format.organization.address output }
         {
-          new.sentence
           organization "organization" bibinfo.check output
           format.publisher.address output
         }
@@ -1291,9 +1269,8 @@ FUNCTION {proceedings}
   format.isbn output
   format.issn output
   format.doi output
-  new.block
   format.url output
-  new.block
+  new.sentence
   format.note output
   fin.entry
 }
@@ -1305,14 +1282,13 @@ FUNCTION {techreport}
   date.block
   format.title
   "title" output.check
-  new.block
+  new.sentence
   format.tr.number output.nonnull
   institution "institution" bibinfo.warn output
   address "address" bibinfo.check output
   format.doi output
-  new.block
   format.url output
-  new.block
+  new.sentence
   format.note output
   fin.entry
 }
@@ -1324,9 +1300,8 @@ FUNCTION {unpublished}
   date.block
   format.title "title" output.check
   format.doi output
-  new.block
   format.url output
-  new.block
+  new.sentence
   format.note "note" output.check
   fin.entry
 }
diff --git a/vietnumeric.dbj b/vietnumeric.dbj
index a81a7fc..b6d2578 100644
--- a/vietnumeric.dbj
+++ b/vietnumeric.dbj
@@ -522,7 +522,7 @@ End of customized bst file
 % blk-com,%: Comma between blocks 
 % blk-com,com-semi,%: Semi-colon between blocks 
 % blk-com,com-blank,%: Blanks between blocks 
-% blk-tit,%: Period after titles of articles, books, etc else commas
+ blk-tit,%: Period after titles of articles, books, etc else commas
 % blk-tit,tit-col,%: Colon after titles of articles, books, etc else commas
 % blk-tita,%: Period after titles of articles else commas
 % blk-tita,tit-col,%: Colon after titles of articles else commas
@@ -530,7 +530,7 @@ End of customized bst file
 %>>PUNCTUATION BETWEEN SECTIONS (BLOCKS):
 %<<PUNCTUATION BEFORE NOTES (if not using \newblock)
 %   %: (def) Notes have regular punctuation like all other blocks
-% blknt,%: Notes preceded by period 
+ blknt,%: Notes preceded by period 
 %------\ans=*(==)-------
 %>>PUNCTUATION BEFORE NOTES (if not using \newblock)
 %<<PUNCTUATION AFTER AUTHORS: