@book{62128,
	author = {Whitten, Jeffrey L. and Bentley, Lonnie D.},
	title = {Análisis y diseño de sistemas de información },
	publisher = { : McGraw-Hill},
	year = { , 2003},
	address = {México},
	edition = {3a. edición },
	note = {Título original: Systems analysis & design methods}
}