@book{94802,
	author = {WHITTEN Jeffrey L. and BENTLEY ,Lonnie D.},
	title = {Analalisis de sistemas},
	publisher = {Mc Graw Hill},
	year = {2008},
	address = {México},
	edition = {7a ed.},
	note = {Glosario\Dedicatoria \Reconocimientos \Prefacio \Creditos de fotografias}
}