Gaya APA
Economics : The Complete Ideal's Guides. (2009).
Jakarta:
.
Gaya Chicago
Economics : The Complete Ideal's Guides.
Ed.1, Cet.1.
Jakarta:
,
2009.
.
Gaya MLA
Economics : The Complete Ideal's Guides.
Ed.1, Cet.1.
Jakarta:
,
2009.
.
Gaya Turabian
Economics : The Complete Ideal's Guides.
Jakarta:
,
2009.
.