Não informado. (1977). Journal of European Industrial Training. MCB University Press.
Lua i Stíl Chicago (17ú heag.)Não informado. Journal of European Industrial Training. Bradford, Inglaterra: MCB University Press, 1977.
Lua MLA (8ú heag.)Não informado. Journal of European Industrial Training. MCB University Press, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.