Gaya APA
Social Problems:a Critical Approach. (2007).
New York:
[s.n.].
Gaya Chicago
Social Problems:a Critical Approach.
.
New York:
[s.n.],
2007.
Text.
Gaya MLA
Social Problems:a Critical Approach.
.
New York:
[s.n.],
2007.
Text.
Gaya Turabian
Social Problems:a Critical Approach.
New York:
[s.n.],
2007.
Print.