@book{17368,
	author = {Hernández Sampieri, Roberto and I. Fernández-Collado, Roberto, Coaut.},
	title = {Metodología de la investigación /},
	publisher = {McGraw-Hill Interamericana,},
	year = {2006},
	address = {México :},
	edition = {4},
	note = {Incluye Cd-Rom}
}