Não informado. (1951). Canadian Journal of Physics. National Research Council of Canada.
Lua i Stíl Chicago (17ú heag.)Não informado. Canadian Journal of Physics. Ottawa: National Research Council of Canada, 1951.
Lua MLA (8ú heag.)Não informado. Canadian Journal of Physics. National Research Council of Canada, 1951.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.