Morris, L. (1972). Apocalyptic. Eerdmans.
Lua i Stíl Chicago (17ú heag.)Morris, Leon. Apocalyptic. Grand Rapids, Mich.: Eerdmans, 1972.
Lua MLA (8ú heag.)Morris, Leon. Apocalyptic. Eerdmans, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.