@book{149493,
	author = {Covey, Stephen Richards, and Merrill, A. Roger.},
	title = {Primero, lo primero :},
	publisher = {Ediciones Paidós ,},
	year = {1995.},
	series = {Paidós Empresarial},
	address = {Barcelona :},
	note = {Translation of: First things first.}
}