Não informado. (1985). British Journal of Special Education. National Council for Special Education.
Lua i Stíl Chicago (17ú heag.)Não informado. British Journal of Special Education. London: National Council for Special Education, 1985.
Lua MLA (8ú heag.)Não informado. British Journal of Special Education. National Council for Special Education, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.