Não informado. (1910). Journal of Educational Psychology. American Psychological Association.
Lua i Stíl Chicago (17ú heag.)Não informado. Journal of Educational Psychology. Arlington, Va: American Psychological Association, 1910.
Lua MLA (8ú heag.)Não informado. Journal of Educational Psychology. American Psychological Association, 1910.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.