Não informado. (1955). Welding research abroad. Welding Research Council, Engineering Foundation.
Lua i Stíl Chicago (17ú heag.)Não informado. Welding Research Abroad. New York: Welding Research Council, Engineering Foundation, 1955.
Lua MLA (8ú heag.)Não informado. Welding Research Abroad. Welding Research Council, Engineering Foundation, 1955.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.