@book{11729,
	author = {Covey, Stephen R. and Piatigorsky, Jorge},
	title = {Los 7 hábitos de la gente altamente efectiva :},
	publisher = {Booketa,},
	year = {2013.},
	series = {Prácticos booket},
	address = {Bogotá :},
	edition = {11a. ed.},
	note = {Incluye apéndices.}
}