APA Style
Business English I. (1998).
Indonesia:
Elex Media Komputindo.
Chicago Style
Business English I.
1st edition.
Indonesia:
Elex Media Komputindo,
1998.
Text.
MLA Style
Business English I.
1st edition.
Indonesia:
Elex Media Komputindo,
1998.
Text.
Turabian Style
Business English I.
Indonesia:
Elex Media Komputindo,
1998.
Print.