Gaya APA
Economics:Principles,Problems,And Politics. (2008).
New York:
[s.n.].
Gaya Chicago
Economics:Principles,Problems,And Politics.
.
New York:
[s.n.],
2008.
Text.
Gaya MLA
Economics:Principles,Problems,And Politics.
.
New York:
[s.n.],
2008.
Text.
Gaya Turabian
Economics:Principles,Problems,And Politics.
New York:
[s.n.],
2008.
Print.