@book{30600,
	author = {Frye, Curtis D. and Sánchez Manzanaro, Camelia,},
	title = {Microsoft excel version 2002},
	publisher = {McGraw Hill Interamericana,},
	year = {2001.},
	series = {Curso oficial de microsoft},
	address = {Madrid :},
	note = {Incluye indice.}
}