@book{9801,
	author = {Bello, Andrés and Cuervo, Rufino José},
	title = {Gramática de la lengua castellana /},
	publisher = {Sopena,},
	year = {1960.},
	address = {Buenos Aires :},
	edition = {Ed. completa, rev. corr. y aum.},
	note = {Incluye índice alfabético de autores y materias.}
}