@book{46382,
	author = {Westing, J. H. and Zenz, Gary Joseph,},
	title = {Purchasing management :},
	publisher = {Wiley . ;},
	year = {[1969] .},
	address = {New York :},
	edition = {3d ed.},
	note = {First-2d ed. published under title: Industrial purchasing.}
}