@book{120666,
	author = {Harry, Mikel J. and Schroeder, Richard and ebrary, Inc.},
	title = {Six sigma},
	publisher = {Currency Book/Doubleday,},
	year = {c2005.},
	address = {New York :},
	edition = {1st Currency pbk. ed.},
	url = {http://site.ebrary.com/lib/strathmore/Doc?id=10235227}
}