Gaya APA
Harlow, Harry F.. (1963).
System and Theories in Psychology .
USA:
Mcgraw-Hill Book Company.
Gaya Chicago
Harlow, Harry F..
System and Theories in Psychology.
USA:
Mcgraw-Hill Book Company,
1963.
.
Gaya MLA
Harlow, Harry F..
System and Theories in Psychology.
USA:
Mcgraw-Hill Book Company,
1963.
.
Gaya Turabian
Harlow, Harry F..
System and Theories in Psychology.
USA:
Mcgraw-Hill Book Company,
1963.
.