@book{90645,
	author = {Whitten, Jeffrey L. and Barlow, Victor M.},
	title = {Análisis y diseño de sistemas de información},
	publisher = {McGraw-Hill/Irwin},
	year = {1998},
	address = {Madrid :},
	edition = {3 ed.},
	note = {Trad. de : Systems analysis & design methods, 3a. ed. de 1996}
}