@book{30526,
	author = {Tiznado Santana, Marco Antonio. and Hernández B., Mauricio,},
	title = {Excel xp :},
	publisher = {McGraw Hill Interamericana,},
	year = {2001.},
	series = {Enter plus},
	address = {Bogotá :},
	note = {Incluye indice.}
}