Não informado. (1927). Heat treating and forging. Steel Publications.
Lua i Stíl Chicago (17ú heag.)Não informado. Heat Treating and Forging. Pittsburgh, Pa: Steel Publications, 1927.
Lua MLA (8ú heag.)Não informado. Heat Treating and Forging. Steel Publications, 1927.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.