Não informado. Metallurgy: Materials education yearbooks. American Society for Metals.
Lua i Stíl Chicago (17ú heag.)Não informado. Metallurgy: Materials Education Yearbooks. New York: American Society for Metals.
Lua MLA (8ú heag.)Não informado. Metallurgy: Materials Education Yearbooks. American Society for Metals.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.