@book{105838,
	author = {Nalda, Bernardo de. and Mínguez, Nieves.},
	title = {Introducción al español},
	publisher = {Ediciones Partenón},
	year = {1976, 1973.},
	address = {Madrid},
	edition = {2d. ed., [rev. y aumentada].},
	note = {Includes index.}
}