@book{26625,
	author = {Barnett, Raymond A. and Barahona Peña, Diego Edmundo.},
	title = {Algebra y Trigonometria /},
	publisher = {McGraw Hill,},
	year = {1991.},
	address = {Bogotá :},
	edition = {2a ed.},
	note = {Incluye indice.}
}