@book{311677,
	author = {Jane R. Caulton},
	title = {The Development and Use of the Theory of ERG: A Literature Review},
	year = {2012},
	url = {http://www.regent.edu/acad/global/publications/elj/vol5iss1/ELJ_Vol5No1_Caulton_pp2-8.pdf}
}