@book{55953,
	author = {Covey, Stephen R., and Piatigorsky, Jorge,},
	title = {Meditaciones diarias para la gente altamente efectiva :},
	publisher = {Paidós,},
	year = {2012.},
	series = {Biblioteca Covey},
	address = {Barcelona :},
	note = {Traducción de: Daily reflections for highly effective people.}
}