Não informado. (1933). Industrial Equipment News. Thomas Publishing.
Lua i Stíl Chicago (17ú heag.)Não informado. Industrial Equipment News. New York: Thomas Publishing, 1933.
Lua MLA (8ú heag.)Não informado. Industrial Equipment News. Thomas Publishing, 1933.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.