APA Style
Economics : principles problem and policies. (1990).
Indonesia:
Elex Media Komputindo.
Chicago Style
Economics : principles problem and policies.
1st edition.
Indonesia:
Elex Media Komputindo,
1990.
Text.
MLA Style
Economics : principles problem and policies.
1st edition.
Indonesia:
Elex Media Komputindo,
1990.
Text.
Turabian Style
Economics : principles problem and policies.
Indonesia:
Elex Media Komputindo,
1990.
Print.