APA Style
Effective English. (1982).
Indonesia:
Elex Media Komputindo.
Chicago Style
Effective English.
1st edition.
Indonesia:
Elex Media Komputindo,
1982.
Text.
MLA Style
Effective English.
1st edition.
Indonesia:
Elex Media Komputindo,
1982.
Text.
Turabian Style
Effective English.
Indonesia:
Elex Media Komputindo,
1982.
Print.