Lemarchand, E. (1971). Death on doomsday. Hart-Davis.
Lua i Stíl Chicago (17ú heag.)Lemarchand, Elizabeth. Death on Doomsday. London: Hart-Davis, 1971.
Lua MLA (8ú heag.)Lemarchand, Elizabeth. Death on Doomsday. Hart-Davis, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.