Gaya APA
Scarpitti, R. Frank. (1974).
Social Problems .
New York:
[s.n.].
Gaya Chicago
Scarpitti, R. Frank.
Social Problems.
New York:
[s.n.],
1974.
Text.
Gaya MLA
Scarpitti, R. Frank.
Social Problems.
New York:
[s.n.],
1974.
Text.
Gaya Turabian
Scarpitti, R. Frank.
Social Problems.
New York:
[s.n.],
1974.
Print.