Não informado. (1966). Education and Training of the Mentally Retarded. Council for Exceptional Children, Division on Mental Retardation.
Cita Chicago Style (17a ed.)Não informado. Education and Training of the Mentally Retarded. Reston, Va: Council for Exceptional Children, Division on Mental Retardation, 1966.
Cita MLA (8a ed.)Não informado. Education and Training of the Mentally Retarded. Council for Exceptional Children, Division on Mental Retardation, 1966.
Precaución: Estas citas no son 100% exactas.