Gaya APA

Hock, R, R. (1999). Forty studies that changed psychology: Explorations into the history of psychological research, 3rd ed. . New Jersey: New Jersey Prentice Hall.

Gaya MLA

Hock, Roger, R.. "Forty studies that changed psychology: Explorations into the history of psychological research, 3rd ed. ". New Jersey: New Jersey Prentice Hall, 1999. Buku.