@book{2120,
	author = {Creveling, Clyde M. and Hambleton, Lynne.},
	title = {Six sigma for marketing processes :},
	publisher = {Prentice Hall,},
	year = {c2006.},
	address = {Upper Saddle River, NJ :},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/toc/ecip062/2005030766.html}
}