Gaya APA

Wessells, M, G., , . (1982). Cognitive psychology . Joanna Cotler Books, 1982: Joanna Cotler Books, 1982.

Gaya MLA

Wessells, Michael, G.., , . "Cognitive psychology". Joanna Cotler Books, 1982: Joanna Cotler Books, 1982, 1982. .