@book{7489,
	author = {Gutiérrez Pulido, Humberto},
	title = {Calidad y productividad / },
	publisher = {McGraw Hill,},
	year = {2014},
	series = {Administración},
	address = {México, D. F. },
	edition = {Cuarta edición},
	note = {Contiene índice. }
}