Não informado. (1993). Canadian Journal of Experimental Psychology. Canadian Psychological Association.
Lua i Stíl Chicago (17ú heag.)Não informado. Canadian Journal of Experimental Psychology. Québec, Canadá: Canadian Psychological Association, 1993.
Lua MLA (8ú heag.)Não informado. Canadian Journal of Experimental Psychology. Canadian Psychological Association, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.