Não informado. (1972). Nippon Steel Technical Report. Nippon Steel Corporation.
Lua i Stíl Chicago (17ú heag.)Não informado. Nippon Steel Technical Report. Tokyo: Nippon Steel Corporation, 1972.
Lua MLA (8ú heag.)Não informado. Nippon Steel Technical Report. Nippon Steel Corporation, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.