@book{82022,
	author = {Sullivan, Michael},
	title = {Trigonometría y geometría analítica },
	publisher = {Prentice-Hall Hispanoamericana},
	year = {1997.},
	address = {México : },
	edition = {4a ed.},
	note = {Incluye índice. \ Titulo original. Trigonometry.}
}