@book{18,
	author = {Ries, Al and Bengoechea, Idoia, },
	title = {Las 11 leyes inmutables de la creación de marcas en Internet /},
	publisher = {Deusto,},
	year = {2006.},
	series = {Líderes del Management; },
	address = {Barcelona :},
	note = {Incluye indice}
}