@book{9851,
	author = {Whitten, Jeffrey L. and Bentley, Lonnie D., autor},
	title = {Análisis de sistemas :},
	publisher = {McGraw-Hill, },
	year = {2008},
	address = {México, D.F. :},
	edition = {Séptima edición},
	note = {Incluye índice.}
}