Não informado. (1971). British journal of mental subnormality. British Society for the Study of Mental Subnormality.
Lua i Stíl Chicago (17ú heag.)Não informado. British Journal of Mental Subnormality. Birmingham, Inglaterra: British Society for the Study of Mental Subnormality, 1971.
Lua MLA (8ú heag.)Não informado. British Journal of Mental Subnormality. British Society for the Study of Mental Subnormality, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.