@book{33510,
	author = {Dworkin, Ronald. and Guastavino, Marta,},
	title = {Los derechos en serio /},
	publisher = {Editorial Ariel,},
	year = {1984.},
	series = {Ariel Derecho},
	address = {Barcelona :},
	note = {Incluye notas al final del texto.}
}