APA Style
First Things First : new concept english. (1992).
Indonesia:
Elex Media Komputindo.
Chicago Style
First Things First : new concept english.
1st edition.
Indonesia:
Elex Media Komputindo,
1992.
Text.
MLA Style
First Things First : new concept english.
1st edition.
Indonesia:
Elex Media Komputindo,
1992.
Text.
Turabian Style
First Things First : new concept english.
Indonesia:
Elex Media Komputindo,
1992.
Print.