@book{1981,
	author = {Real Academia Española},
	title = {Nueva gramática de la lengua española: Manual},
	publisher = {Espasa,},
	year = {2010},
	address = {Barcelona :},
	edition = {1 ed.},
	url = {https://itmsp.museknowledge.com/UOH?qurl=https://libros-uoh.uoh.cl/ESCUELADEEDUCACION/PEDAGOGIAEDUCACIONBASICA/Nueva%2520Gramatica%2520De%2520la%2520Lengua%2520Espa%C3%B1ola/}
}