American Society for Metals\nAmerican Society for Steel Treating. (1930). Metal Progress. American Society for Metals.
Lua i Stíl Chicago (17ú heag.)American Society for Metals\nAmerican Society for Steel Treating. Metal Progress. Metals Park, Ohio: American Society for Metals, 1930.
Lua MLA (8ú heag.)American Society for Metals\nAmerican Society for Steel Treating. Metal Progress. American Society for Metals, 1930.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.