Não informado. (1938). Aircraft production. Iliffe Production Publications.
Lua i Stíl Chicago (17ú heag.)Não informado. Aircraft Production. London: Iliffe Production Publications, 1938.
Lua MLA (8ú heag.)Não informado. Aircraft Production. Iliffe Production Publications, 1938.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.