@book{165148,
	author = {Chavarro Cadena, Jorge Enrique and Cortes Guzman, Guillermo},
	title = {Cartilla retención en la fuente 2017},
	publisher = {Editorial Nueva Legislación,},
	year = {2017},
	address = {Bogotá:},
	url = {https://app.vlex.com/#/sources/cartilla-retencion-en-la-fuente-2017-20489}
}