APA Style
Harvard, Joseph. (1991).
Guide to Professional & Business Correspondence .
Jakarta:
Pustaka Binaman Pressindo.
Chicago Style
Harvard, Joseph.
Guide to Professional & Business Correspondence.
Jakarta:
Pustaka Binaman Pressindo,
1991.
Text.
MLA Style
Harvard, Joseph.
Guide to Professional & Business Correspondence.
Jakarta:
Pustaka Binaman Pressindo,
1991.
Text.
Turabian Style
Harvard, Joseph.
Guide to Professional & Business Correspondence.
Jakarta:
Pustaka Binaman Pressindo,
1991.
Print.