Tonne, A. (1953). Forty Hour talks. Didde Printing Co..
Lua i Stíl Chicago (17ú heag.)Tonne, Arthur. Forty Hour Talks. Emporia, Kan.: Didde Printing Co., 1953.
Lua MLA (8ú heag.)Tonne, Arthur. Forty Hour Talks. Didde Printing Co., 1953.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.