APA (7th ed.) Zitazioa

Friedmann, W. (2011). Legal Theory (5th ed.). Universal Law Publishing Co. Pvt. Ltd.

Chicago Style (17th ed.) Zitazioa

Friedmann, W. Legal Theory. 5th ed. New Delhi: Universal Law Publishing Co. Pvt. Ltd, 2011.

MLA (9th ed.) Zitazioa

Friedmann, W. Legal Theory. 5th ed. Universal Law Publishing Co. Pvt. Ltd, 2011.