Não informado. (2011). Education and Training in Developmental Disabilities. Council for Exceptional Children, Division on Developmental Disabilities.
Chicago (17e ed.) BronvermeldingNão informado. Education and Training in Developmental Disabilities. Arlington, Va: Council for Exceptional Children, Division on Developmental Disabilities, 2011.
MLA (8e ed.) BronvermeldingNão informado. Education and Training in Developmental Disabilities. Council for Exceptional Children, Division on Developmental Disabilities, 2011.
Let op: Deze citaties zijn niet altijd 100% accuraat.