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