Não informado. (1973). Computing. British Computer Society.
Lua i Stíl Chicago (17ú heag.)Não informado. Computing. London: British Computer Society, 1973.
Lua MLA (8ú heag.)Não informado. Computing. British Computer Society, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.