Arnold, C. E. (1992). Powers of darkness: A thoughtful, biblical look at an urgent challenge facing ... Inter-Varsity.
Lua i Stíl Chicago (17ú heag.)Arnold, Clinton E. Powers of Darkness: A Thoughtful, Biblical Look at an Urgent Challenge Facing ... Leicester: Inter-Varsity, 1992.
Lua MLA (9ú heag.)Arnold, Clinton E. Powers of Darkness: A Thoughtful, Biblical Look at an Urgent Challenge Facing ... Inter-Varsity, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.