Leavitt, H. J. (1978). Managerial psychology: An introduction to individuals, pairs, and groups in organizations (4th ed.). University of Chicago Press.

Leavitt, Harold J. Managerial Psychology: An Introduction to Individuals, Pairs, and Groups in Organizations. 4th ed. Chicago: University of Chicago Press, 1978.

Leavitt, Harold J. Managerial Psychology: An Introduction to Individuals, Pairs, and Groups in Organizations. 4th ed. University of Chicago Press, 1978.