@book{45786,
	author = {Gutiérrez Pulido, Humberto and Roig Vázquez, Pablo Eduardo,},
	title = {Calidad y Productividad.},
	publisher = {McGraw-Hill,},
	year = {2014.},
	address = {México :},
	edition = {4.},
	note = {Incluye referencias bibliográficas e índice.}
}