Não informado. (1940). Journal of the Aeronautical Sciences. Institute of the Aeronautical Sciences.
Lua i Stíl Chicago (17ú heag.)Não informado. Journal of the Aeronautical Sciences. New York: Institute of the Aeronautical Sciences, 1940.
Lua MLA (8ú heag.)Não informado. Journal of the Aeronautical Sciences. Institute of the Aeronautical Sciences, 1940.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.