Gaya APA
Wittig, Arno F., Belkin, Gary S.. (1990).
Introduction to psychology .
New York:
McGraw-Hill.
Gaya Chicago
Wittig, Arno F., Belkin, Gary S..
Introduction to psychology.
New York:
McGraw-Hill,
1990.
Text.
Gaya MLA
Wittig, Arno F., Belkin, Gary S..
Introduction to psychology.
New York:
McGraw-Hill,
1990.
Text.
Gaya Turabian
Wittig, Arno F., Belkin, Gary S..
Introduction to psychology.
New York:
McGraw-Hill,
1990.
Print.