Não informado. (1975). Computers & Mathematics with Applications. Pergamon Press.
Lua i Stíl Chicago (17ú heag.)Não informado. Computers & Mathematics with Applications. New York: Pergamon Press, 1975.
Lua MLA (8ú heag.)Não informado. Computers & Mathematics with Applications. Pergamon Press, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.