Gaya APA

Zimbardo, F, L, R, P, G. (1971). Psychology And Life 8th Edition (Ed.8). London: Scott, Foresman And Company.

Gaya MLA

Zimbardo, Floyd, L., Ruch,, Philip, G.. "Psychology And Life 8th Edition". Ed.8 London: Scott, Foresman And Company, 1971. Text.