@book{196423,
	author = {Leenders, Michiel R.},
	title = {Purchasing and supply management},
	publisher = {McGraw-Hill/Irwin},
	year = {c2002.},
	address = {Boston},
	edition = {12th ed.},
	note = {Rev. ed. of: Purchasing and supply management / Michiel R. Leenders, Harold E. Fearon. 11th ed. c1997.}
}