@book{237274,
	author = {Valle, José del.},
	title = {La lengua, ¿patria común? :},
	publisher = {Iberoamericana ;},
	year = {2007.},
	series = {Lengua y sociedad en el mundo hispánico =},
	address = {Madrid :},
	url = {https://www.digitaliapublishing.com/a/21034/}
}