@book{42729,
	author = {Covey, Stephen R.},
	title = {Los 7 Hábitos de la Gente Altamente Efectiva :},
	publisher = {Editorial Planeta Colombia S.A,},
	year = {2013.},
	address = {Bogotá :},
	edition = {11.},
	note = {Incluye Indice.}
}