Não informado. (1987). Education and Training in Mental Retardation and Developmental Disabilities. Council for Exceptional Children, Division on Mental Retardation.
Style de citation Chicago (17e éd.)Não informado. Education and Training in Mental Retardation and Developmental Disabilities. Reston, Va: Council for Exceptional Children, Division on Mental Retardation, 1987.
Style de citation MLA (8e éd.)Não informado. Education and Training in Mental Retardation and Developmental Disabilities. Council for Exceptional Children, Division on Mental Retardation, 1987.
Attention : ces citations peuvent ne pas être correctes à 100%.