Não informado. (1979). European Journal of Education. Carfax Publishing.
Lua i Stíl Chicago (17ú heag.)Não informado. European Journal of Education. Oxford, Inglaterra: Carfax Publishing, 1979.
Lua MLA (8ú heag.)Não informado. European Journal of Education. Carfax Publishing, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.