Não informado. (1959). Stal in english. Iron and Stell Institute.
Lua i Stíl Chicago (17ú heag.)Não informado. Stal in English. London: Iron and Stell Institute, 1959.
Lua MLA (8ú heag.)Não informado. Stal in English. Iron and Stell Institute, 1959.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.