Friedmann, W. (2008). Legal theory (ed.5.). Universal law publshing.
Chicago Style aipamenaFriedmann, W. Legal Theory. ed.5. Delhi: Universal law publshing, 2008.
MLA aipamenaFriedmann, W. Legal Theory. ed.5. Universal law publshing, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.