@book{29352,
	author = {Parra Lucán, Ma. Angeles},
	title = {La norma jurídica y fuentes del derecho /},
	publisher = {Dykinson, S.L.,},
	year = {[2009]},
	series = {Cuadernos prácticos Bolonia. Parte general ;},
	address = {Madrid :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/14546/}
}