@book{188026,
	author = {Hualde, José Ignacio and Olarrea, Antxon.},
	title = {Introducción a la lingüística hispánica},
	publisher = {Cambridge University Press},
	year = {2001.},
	address = {Cambridge, UK},
	url = {http://www.loc.gov/catdir/description/cam022/2002524059.html}
}