Paton, G. w., & Derham, D. P. (2004). A textbook of Jurisprudence (4th ed.). Oxford.
Dyfyniad Arddull ChicagoPaton, George whitecross, and David P. Derham. A Textbook of Jurisprudence. 4th ed. New Delhi: Oxford, 2004.
Dyfyniad MLAPaton, George whitecross, and David P. Derham. A Textbook of Jurisprudence. 4th ed. Oxford, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.