Não informado. (1968). Teaching exceptional children. Council for Exceptional Children.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Teaching Exceptional Children. Reston, Va: Council for Exceptional Children, 1968.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Teaching Exceptional Children. Council for Exceptional Children, 1968.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.