@book{172823,
	author = {Zuleta, Hugo R.,},
	title = {Normas y justificación :},
	publisher = {Marcial Pons,},
	year = {2008.},
	series = {Colección Filosofía y derecho},
	address = {Madrid :},
	url = {https://app.vlex.com/#/sources/38499}
}