@book{27223,
	author = {Chavarro Cadena, Jorge Enrique. and Beltrán Triana, Jorge Enrique.},
	title = {Cartilla informacion exogena en medios electronicos para la DIAN aplicacion practica /},
	publisher = {Grupo Editorial Nueva Legislacion Ltda,},
	year = {2011.},
	address = {Bogotá :}
}