@book{65031,
	author = {Miguel Guijarro, Santiago de,},
	title = {Eficacia directiva /},
	publisher = {Díaz de Santos,},
	year = {2015.},
	address = {[Madrid, España] :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/136260/}
}