Gaya APA
Bardo, J, W., Hartman, J, J.
(1982).
Urban sociology : a systematic introduction
.
Itasca, IL:
F.E. Peacock.
Gaya MLA
Bardo, John, W.., Hartman, John, J..
"Urban sociology : a systematic introduction".
Itasca, IL:
F.E. Peacock,
1982.
Text.