Gaya APA
ZIMBARDO, P, G., RUCH, F, L.
(1975).
Psychology and life
(
9th ed.)
.
England:
Scott Foresman.
Gaya MLA
ZIMBARDO, Philip, G.., RUCH, Floyd, L..
"Psychology and life".
9th ed.
England:
Scott Foresman,
1975.
Buku.