GORDON MARSHALL. "equity theory." A Dictionary of Sociology. 1998. Encyclopedia.com. 17 Nov. 2009 <http://www.encyclopedia.com>.
GORDON MARSHALL. "equity theory." A Dictionary of Sociology. 1998. Encyclopedia.com. (November 17, 2009). http://www.encyclopedia.com/doc/1O88-equitytheory.html
GORDON MARSHALL. "equity theory." A Dictionary of Sociology. 1998. Retrieved November 17, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O88-equitytheory.html