APA استشهاد

Friedmann, W. (2008). Legal theory (ed.5.). Universal law publshing.

استشهاد بنمط شيكاغو

Friedmann, W. Legal Theory. ed.5. Delhi: Universal law publshing, 2008.

MLA استشهاد

Friedmann, W. Legal Theory. ed.5. Universal law publshing, 2008.