@book{4797,
	author = {Caballero Miguez, Iría and Contreras Fierro, Nestor Javier.},
	title = {Comercio internacional :},
	publisher = {Ediciones de la U, },
	year = {2012},
	series = {( Comercio internacional ) },
	address = {Bogotá, Colombia : },
	edition = {Primera edición}
}