APA Style
American Business English Program. (1995).
Indonesia:
Elex Media Komputindo.
Chicago Style
American Business English Program.
1st edition.
Indonesia:
Elex Media Komputindo,
1995.
Text.
MLA Style
American Business English Program.
1st edition.
Indonesia:
Elex Media Komputindo,
1995.
Text.
Turabian Style
American Business English Program.
Indonesia:
Elex Media Komputindo,
1995.
Print.