Hart, H. (1978). Law, Liberty And Morality. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Hart, H.L.A. Law, Liberty And Morality. London: Oxford University Press, 1978.
Lua MLA (9ú heag.)Hart, H.L.A. Law, Liberty And Morality. Oxford University Press, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.