Não informado. (1977). Exceptional Child Education Resources. Council for Exceptional Children.
Chicagoスタイル(17版)引用形式Não informado. Exceptional Child Education Resources. Reston, Va: Council for Exceptional Children, 1977.
MLA(8版)引用形式Não informado. Exceptional Child Education Resources. Council for Exceptional Children, 1977.
警告: この引用は必ずしも正確ではありません.