@book{147215,
	author = {Zill, Dennis G. and I. Dewar, Jackeline M. II. Ramírez Mariño, Gloria, tr. III. Cordero, Guiselle Marcel, rev. téc},
	title = {Algebra y trigonometria /},
	publisher = {McGraw},
	address = {Santafé de Bogotá :},
	edition = {2}
}