@book{6457,
	author = {Cuervo, Marina and Diéguez, Jesús},
	title = {Mejorar la expresión oral},
	publisher = {Narcea},
	year = {1991},
	series = {Educación hoy},
	address = {Madrid},
	edition = {2ª ed.},
	note = {Contiene índice de las materias}
}