@book{6979,
	author = {Schäfer, Angela and Rodríguez, Martha Lucía,},
	title = {La gratitud, una fuerza poderosa /},
	publisher = {Panamericana,},
	year = {2009.},
	series = {Colección en armonía},
	address = {Bogotá :},
	edition = {1a ed.}
}