@book{6800,
	author = {Dávila Martínez, Enrique. and Mahecha López, Javier R,},
	title = {María Callas :},
	publisher = {Panamericana Editorial,},
	year = {2005.},
	series = {100 Personajes.},
	address = {Bogotá :},
	edition = {1a. ed.}
}