APA Style
Tugas Business English II. (1997).
Indonesia:
Elex Media Komputindo.
Chicago Style
Tugas Business English II.
1st edition.
Indonesia:
Elex Media Komputindo,
1997.
Text.
MLA Style
Tugas Business English II.
1st edition.
Indonesia:
Elex Media Komputindo,
1997.
Text.
Turabian Style
Tugas Business English II.
Indonesia:
Elex Media Komputindo,
1997.
Print.