Não informado. (1922). American Welding Society Journal. American Welding Society.
Lua i Stíl Chicago (17ú heag.)Não informado. American Welding Society Journal. Easton, Pa: American Welding Society, 1922.
Lua MLA (8ú heag.)Não informado. American Welding Society Journal. American Welding Society, 1922.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.