Não informado. (2000). Journal of Early Intervention. Council for Exceptional Children, Division for Early Childhood.
Chicago-referens (17:e uppl.)Não informado. Journal of Early Intervention. Reston, Va: Council for Exceptional Children, Division for Early Childhood, 2000.
MLA-referens (8:e uppl.)Não informado. Journal of Early Intervention. Council for Exceptional Children, Division for Early Childhood, 2000.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.