Hock, R. R. (1995). Forty studies that changed psychology: Explorations into the history of psychological research (2nd ed.). Prentice Hall.

Hock, Roger R. Forty Studies That Changed Psychology: Explorations into the History of Psychological Research. 2nd ed. Englewood Cliffs, N.J.: Prentice Hall, 1995.

Hock, Roger R. Forty Studies That Changed Psychology: Explorations into the History of Psychological Research. 2nd ed. Prentice Hall, 1995.