Não informado. (1929). Journal of Adult Education. American Association for Adult Education.
Lua i Stíl Chicago (17ú heag.)Não informado. Journal of Adult Education. New York: American Association for Adult Education, 1929.
Lua MLA (8ú heag.)Não informado. Journal of Adult Education. American Association for Adult Education, 1929.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.