Não informado. (1964). Journal of Applied Probability. Applied Probability Trust.
Lua i Stíl Chicago (17ú heag.)Não informado. Journal of Applied Probability. Sheffield, Inglaterra: Applied Probability Trust, 1964.
Lua MLA (8ú heag.)Não informado. Journal of Applied Probability. Applied Probability Trust, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.