@book{30720,
	author = {Cuba.},
	title = {Todas las Constituciones cubanas del siglo XX },
	publisher = {www.Linkgua.com,},
	year = {2011. },
	series = {Diferencias.},
	address = {Barcelona :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/16539/}
}