@book{21035,
	author = {Edwards, C. H. and Penney, David E.},
	title = {Cálculo con geometría analítica /},
	publisher = {Prentice Hall Hispanoamericana,},
	year = {1994.},
	address = {México :},
	edition = {4a ed.},
	note = {Incluye índice.}
}