APA استشهاد

Friedmann, W. (2003). Legal theory (ed.5.). Universal law publishing.

استشهاد بنمط شيكاغو

Friedmann, W. Legal Theory. ed.5. Delhi: Universal law publishing, 2003.

MLA استشهاد

Friedmann, W. Legal Theory. ed.5. Universal law publishing, 2003.