Não informado. (1989). Educational & Training Technology International: Journal of aett. Kogan Page.
Lua i Stíl Chicago (17ú heag.)Não informado. Educational & Training Technology International: Journal of Aett. London: Kogan Page, 1989.
Lua MLA (8ú heag.)Não informado. Educational & Training Technology International: Journal of Aett. Kogan Page, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.