Não informado. (2000). Journal of Early Intervention. Council for Exceptional Children, Division for Early Childhood.
Chicago-Zitierstil (17. Ausg.)Não informado. Journal of Early Intervention. Reston, Va: Council for Exceptional Children, Division for Early Childhood, 2000.
MLA-Zitierstil (8. Ausg.)Não informado. Journal of Early Intervention. Council for Exceptional Children, Division for Early Childhood, 2000.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.