Não informado. (1960). Notre Dame Journal of Formal Logic. University of Notre Dame.
Lua i Stíl Chicago (17ú heag.)Não informado. Notre Dame Journal of Formal Logic. Notre Dame, Ind: University of Notre Dame, 1960.
Lua MLA (8ú heag.)Não informado. Notre Dame Journal of Formal Logic. University of Notre Dame, 1960.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.