@book{9205,
	author = {Alvar, Manuel, and Fundación MAPFRE América},
	title = {El español de las dos orillas / },
	publisher = {Mapfre, },
	year = {[1991]},
	series = {Colección América 92 ;},
	address = {Madrid : },
	note = {Índices},
	url = {https://archive.org/details/alvar-manuel.-el-espanol-de-las-dos-orillas-1991}
}