APA استشهاد

Simpson, W. A. (1989). Notes for managers: Motivation. University press.

استشهاد بنمط شيكاغو

Simpson, William A. Notes for Managers: Motivation. Hyderabad: University press, 1989.

MLA استشهاد

Simpson, William A. Notes for Managers: Motivation. University press, 1989.