http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Joseph Raz, Robert Alexy, Eugenio Bulygin ; edición y estudio preliminar de Hernán Bouvier, Paula Gaido y Rodrigo Sánchez Brigido.
Edición original, Joseph Raz, 2005: "Can there be a theory of law", en Martin P. Golding and William A. Edmundson (eds.), The Blackwell guide to the philosophy of law and legal theory (Oxford : Blackwell).
Colección Filosofía y derecho (Madrid, Spain)