Não informado. Programs for the Handicapped. Office for the Handicapped, Department of Health, Education and Welfare.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Programs for the Handicapped. Washington: Office for the Handicapped, Department of Health, Education and Welfare.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Programs for the Handicapped. Office for the Handicapped, Department of Health, Education and Welfare.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.