@book{10549,
	author = {Usry, F. and Usry, Milton F.},
	title = {Cost accounting :},
	publisher = {South-Western,},
	year = {1993.},
	address = {[S.l.] :},
	edition = {9th ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/053801881X/chopaconline-20}
}