Walls, J. L. (1992). Hell: The logic of damnation. University of Notre Dame Press.
Lua i Stíl Chicago (17ú heag.)Walls, Jerry L. Hell: The Logic of Damnation. Notre Dame, Ind.: University of Notre Dame Press, 1992.
Lua MLA (9ú heag.)Walls, Jerry L. Hell: The Logic of Damnation. University of Notre Dame Press, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.