Não informado. (1992). IEEE Annals of the History of Computing. IEEE Computer Society.
Lua i Stíl Chicago (17ú heag.)Não informado. IEEE Annals of the History of Computing. Los Alamitos, Calif: IEEE Computer Society, 1992.
Lua MLA (8ú heag.)Não informado. IEEE Annals of the History of Computing. IEEE Computer Society, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.