Não informado. (1963). Welding in the world. International Institute of Welding.
Lua i Stíl Chicago (17ú heag.)Não informado. Welding in the World. London: International Institute of Welding, 1963.
Lua MLA (8ú heag.)Não informado. Welding in the World. International Institute of Welding, 1963.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.