Dworkin, Ronald A Matter of Principle / Ronald Dworkin - 1a ed. - Oxford : Clarendon Press, 1985 - 425 p. ; 23 cm. ISBN: 0198255748 Subjects--Topical Terms: JurisprudenciaDerecho y polĂticaDerecho --FilosofĂa LC Class. No.: JA75 / D96 1985