@book{23807,
	author = {Hernández Sampieri, Roberto, and Fernández-Collado, Carlos},
	title = {Metodología de la investigación /},
	publisher = {Mc Graw-Hill Interamericana,},
	year = {2006.},
	address = {México :},
	edition = {4a ed.},
	note = {Incluye Indice onomástico e índice analítico.}
}