@book{3373,
	author = {Torres Rojas, Héctor Alfonso,},
	title = {Colombia : cifras y datos /Héctor Alfonso Torres Rojas.},
	publisher = {[Editorial no identificada], },
	year = {2003.},
	series = {Psicología social , 23.},
	address = {Bogotá :},
	edition = {Primera edición.}
}