@book{15606,
	author = {Gutiérrez Pulido,, Humberto},
	title = { Calidad total y productividad /},
	publisher = {: McGraw-Hill,},
	year = {2005},
	series = {McGraw-Hill. Educación },
	address = {México : },
	edition = {2a. ed. },
	note = { }
}