Não informado. Programs for the Handicapped. Office for the Handicapped, Department of Health, Education and Welfare.
Citação do estilo Chicago (17ª ed.)Não informado. Programs for the Handicapped. Washington: Office for the Handicapped, Department of Health, Education and Welfare.
Citação MLA (8ª ed.)Não informado. Programs for the Handicapped. Office for the Handicapped, Department of Health, Education and Welfare.
警告：这些引文格式不一定是100％准确.