@book{144687,
	author = {Gras, Alain. and Vázquez, Jesús María, },
	title = {Sociología de la educación },
	publisher = {Narcea, },
	year = {1985.},
	series = {Educación hoy. Estudios},
	address = {Madrid : },
	edition = {3ª. ed.}
}