Dworkin, R. M., & Title. (1977). The Philosophy of law. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Dworkin, R. M., agus Title. The Philosophy of Law. London: Oxford University Press, 1977.
Lua MLA (9ú heag.)Dworkin, R. M., agus Title. The Philosophy of Law. Oxford University Press, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.