Não informado. (1978). Journal of Special Education Technology. Association of Special Education Technology.
Chicago-referens (17:e uppl.)Não informado. Journal of Special Education Technology. Logan, Utah: Association of Special Education Technology, 1978.
MLA-referens (8:e uppl.)Não informado. Journal of Special Education Technology. Association of Special Education Technology, 1978.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.