Não informado. (1976). International Metals Reviews. Institute of Metals.
Lua i Stíl Chicago (17ú heag.)Não informado. International Metals Reviews. London: Institute of Metals, 1976.
Lua MLA (8ú heag.)Não informado. International Metals Reviews. Institute of Metals, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.