Não informado. (1938). Proceedings of the American Power Conference. Illinois Institute of Technology.
Lua i Stíl Chicago (17ú heag.)Não informado. Proceedings of the American Power Conference. Chicago, Ill: Illinois Institute of Technology, 1938.
Lua MLA (8ú heag.)Não informado. Proceedings of the American Power Conference. Illinois Institute of Technology, 1938.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.