Não informado. (1968). Convergence: International journal of adult education. Ontario Institute for Studies in Education.
Lua i Stíl Chicago (17ú heag.)Não informado. Convergence: International Journal of Adult Education. Toronto, Canada: Ontario Institute for Studies in Education, 1968.
Lua MLA (8ú heag.)Não informado. Convergence: International Journal of Adult Education. Ontario Institute for Studies in Education, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.