Não informado. (1923). Journal of the Royal Aeronautical Society. Royal Aeronautical Society.
Lua i Stíl Chicago (17ú heag.)Não informado. Journal of the Royal Aeronautical Society. London: Royal Aeronautical Society, 1923.
Lua MLA (8ú heag.)Não informado. Journal of the Royal Aeronautical Society. Royal Aeronautical Society, 1923.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.