@book{75379,
	author = {Butazzi, Renzo},
	title = {Investigación comerical},
	publisher = {Urmo, S.A. de Ediciones},
	year = {1986},
	series = {Biblioteca de dirección y Organización},
	address = {Bilbao},
	note = {Translation of : Le recherche commericali}
}