@book{28505,
	author = {United States.},
	title = {Constitución de los Estados Unidos de America },
	publisher = {www.Linkgua.com,},
	year = {2011. },
	series = {Leyes.},
	address = {Barcelona :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/12983/}
}