Parkes, J. W. (1940). God in a world at war: By John Hadham [i.e. James William Parkes]. Penguin.
Lua i Stíl Chicago (17ú heag.)Parkes, James William. God in a World at War: By John Hadham [i.e. James William Parkes]. Harmondsworth: Penguin, 1940.
Lua MLA (8ú heag.)Parkes, James William. God in a World at War: By John Hadham [i.e. James William Parkes]. Penguin, 1940.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.