Sources: Crow Motivation

Killeen, Peter R. (1995). Economics, ecologics, and mechanics : The dynamics of responding under conditions of varying motivation. Journal of the Experimental Analysis of Behavior, 64(3), 405-431. doi: __10.1901/jeab.1995.64-405__

Lundberg, Neil R. (2007). Research update: creating motivational climates: how to make the most out of your recreation environment. Parks and Recreation, 42.1. p 22.__|A158526610&docType=GALE&role=ITOF

Nebraska Symposium on Motivation. (2003). Cross-Cultural Differences in Perspective on the Self. Current Theory and Research in Motivation, Volume 49.__

Tauer John. (2006). Motivation. Encyclopedia of Human Development, Volume 2, p857-860.__|CX3466300432&docType=GALE&role=GVRL

Weiner, Bernard (1992). Human Motivation : Metaphors, Theories, and Research. SAGE Publications, Inc

This book, written by a professor at UCLA, analyzes the history of psychology, as well as the different theories proposed over the years. He first discusses the history of motivation and the theories of earlier times, while then going towards how motivation works, as well as the different mechanics and balances that are currently thought to have a major affect on it(motivation).