Gaya APA
Understanding Human Behavior. (1977).
Amerika:
.
Gaya Chicago
Understanding Human Behavior.
Ed. 2.
Amerika:
,
1977.
.
Gaya MLA
Understanding Human Behavior.
Ed. 2.
Amerika:
,
1977.
.
Gaya Turabian
Understanding Human Behavior.
Amerika:
,
1977.
.