Koch, K. (1973). Demonology: Past and present. Kregel publications.
Lua i Stíl Chicago (17ú heag.)Koch, Kurt. Demonology: Past and Present. Michigan: Kregel publications, 1973.
Lua MLA (9ú heag.)Koch, Kurt. Demonology: Past and Present. Kregel publications, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.