Gaya APA

Frey, K, P., Gregg, A, P. (2018). Experiments with People Revelations from Social Psychology (2nd Edition). United States of America: Routledge.

Gaya MLA

Frey, Kurt, P.., Gregg, Aiden, P.. "Experiments with People Revelations from Social Psychology". 2nd Edition United States of America: Routledge, 2018. Text.