@book{37491,
	author = {Hernández Díaz, Fabio.},
	title = {Metodología del estudio :},
	publisher = {McGraw-Hill,},
	year = {1996.},
	address = {Santafe de Bogotá :},
	edition = {2a. ed.},
	note = {Indice : p.196-201.}
}