@book{45007,
	author = {Covey, Stephen M. R. and Adújar, Gemma,},
	title = {El 8o. Hábito :},
	publisher = {Paidós Ibérica,},
	year = {2005.},
	address = {Barcelona :},
	edition = {1.},
	note = {Incluye Indice y Bbliografía.}
}