@book{262699,
	author = {Montaña Plata, Alberto,},
	title = {Contratos públicos :},
	publisher = {Universidad Externado de Colombia,},
	year = {[2017]},
	address = {Bogotá :},
	edition = {Primera edición.},
	url = {https://www.digitaliapublishing.com/a/68785/}
}