Friedmann, W. (2003). Legal theory (ed.5.). Universal law publishing.
Chicago Style aipamenaFriedmann, W. Legal Theory. ed.5. Delhi: Universal law publishing, 2003.
MLA aipamenaFriedmann, W. Legal Theory. ed.5. Universal law publishing, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.