Não informado. (1967). Metals materials today. American Society for Metals.
Lua i Stíl Chicago (17ú heag.)Não informado. Metals Materials Today. Cleveland, Ohio: American Society for Metals, 1967.
Lua MLA (8ú heag.)Não informado. Metals Materials Today. American Society for Metals, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.