Não informado. (1987). Education and Training in Mental Retardation and Developmental Disabilities. Council for Exceptional Children, Division on Mental Retardation.
Cytowanie według stylu Chicago (wyd. 17)Não informado. Education and Training in Mental Retardation and Developmental Disabilities. Reston, Va: Council for Exceptional Children, Division on Mental Retardation, 1987.
Cytowanie według stylu MLA (wyd. 8)Não informado. Education and Training in Mental Retardation and Developmental Disabilities. Council for Exceptional Children, Division on Mental Retardation, 1987.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..