Gaya APA
Human Development and Learning. (1969).
USA:
Wadsworth Publishing Company.
Gaya Chicago
Human Development and Learning.
.
USA:
Wadsworth Publishing Company,
1969.
.
Gaya MLA
Human Development and Learning.
.
USA:
Wadsworth Publishing Company,
1969.
.
Gaya Turabian
Human Development and Learning.
USA:
Wadsworth Publishing Company,
1969.
.