APA استشهاد

Cofer, C. N., & Appley, M. H. (1980). Motivation: Theory and research. Wiley eastern.

استشهاد بنمط شيكاغو

Cofer, Charles N., و Mortimer H. Appley. Motivation: Theory and Research. New Delhi: Wiley eastern, 1980.

MLA استشهاد

Cofer, Charles N., و Mortimer H. Appley. Motivation: Theory and Research. Wiley eastern, 1980.