APA Style
Three steps to revising your writing for style, grammar, punctuation and spelling. (1988).
Boston:
.
Chicago Style
Three steps to revising your writing for style, grammar, punctuation and spelling.
.
Boston:
,
1988.
Buku.
MLA Style
Three steps to revising your writing for style, grammar, punctuation and spelling.
.
Boston:
,
1988.
Buku.
Turabian Style
Three steps to revising your writing for style, grammar, punctuation and spelling.
Boston:
,
1988.
Buku.