2002
Book Chapter
Gollwitzer, P. M., & Oettingen, G.

History of the concept of motivation

Gollwitzer, P. M., & Oettingen, G. (2002). History of the concept of motivation. In J. Smelser & P. B. Baltes (Eds.). International encyclopedia of the social and behavioral sciences (pp. 10109-10112). Oxford, U.K.: Elsevier Science.