Gaya APA

BOWER, G, H., Hilgard, E, R. (1981). Theories of Learning (Ed. 5, Cet.10). USA: Prentice Hall International.

Gaya MLA

BOWER, Gordon, H.., Hilgard, Ernest, R.. "Theories of Learning". Ed. 5, Cet.10 USA: Prentice Hall International, 1981. Text.