@book{253027,
	author = {Keller, Gerald. and Warrack, Brian.},
	title = {Statistics for management and economics /},
	publisher = {Duxbury Press,},
	year = {c2000.},
	address = {Pacific Grove :},
	edition = {5th ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy1514/99030181-b.html}
}