Paton, G. W., & Derham, D. P. (1972). A textbook of jurisprudence (4th ed.). Clarendon Press.
Lua i Stíl Chicago (17ú heag.)Paton, G. W., agus David P. Derham. A Textbook of Jurisprudence. 4th ed. Oxford: Clarendon Press, 1972.
Lua MLA (8ú heag.)Paton, G. W., agus David P. Derham. A Textbook of Jurisprudence. 4th ed. Clarendon Press, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.