Gaya APA

Usher, Dan. (2003). Political Economy . USA: Blackwell Publishing.

Gaya Chicago

Usher, Dan. Political Economy. USA: Blackwell Publishing, 2003. Text.

Gaya MLA

Usher, Dan. Political Economy. USA: Blackwell Publishing, 2003. Text.

Gaya Turabian

Usher, Dan. Political Economy. USA: Blackwell Publishing, 2003. Print.