Gaya APA

CHAPLIN, J., KRAWIEC, T, . (1974). Systems and theories of psychology (3rd ed.). New York: Holt, Reinhart and Winston.

Gaya MLA

CHAPLIN, J.P.., KRAWIEC, T.S., . "Systems and theories of psychology ". 3rd ed. New York: Holt, Reinhart and Winston, 1974. Buku.