Não informado. (1985). British Journal of Special Education. National Council for Special Education.
Chicago-referens (17:e uppl.)Não informado. British Journal of Special Education. London: National Council for Special Education, 1985.
MLA-referens (8:e uppl.)Não informado. British Journal of Special Education. National Council for Special Education, 1985.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.