Não informado. (1961). Psychological Research Bulletin. Lund University, Psychological Laboratory.
Lua i Stíl Chicago (17ú heag.)Não informado. Psychological Research Bulletin. Lund, Suecia: Lund University, Psychological Laboratory, 1961.
Lua MLA (8ú heag.)Não informado. Psychological Research Bulletin. Lund University, Psychological Laboratory, 1961.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.