Gaya APA

Sternberg, R, J., Sternberg, K. (2009). Cognitive Psychology (Trawas) . Belmont: Wadsworth Publishing Company.

Gaya MLA

Sternberg, Robert, J.., Sternberg, Karin. "Cognitive Psychology (Trawas)". Belmont: Wadsworth Publishing Company, 2009. Text.