@book{31066,
	author = {Rodríguez Vásquez, Carlos Giovanni and Alvear Aragón, Natacha Mariú,},
	title = {Manual de Retención en la Fuente Legis /},
	publisher = {Legis,},
	year = {2011.},
	address = {Bogotá :},
	edition = {27.}
}