Burgess, A. (1981). Earthly Powers. Penguin books.
Lua i Stíl Chicago (17ú heag.)Burgess, Anthony. Earthly Powers. London: Penguin books, 1981.
Lua MLA (8ú heag.)Burgess, Anthony. Earthly Powers. Penguin books, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.