Ohio State University. Division of Disability Research, United States. Social and Rehabilitation Service, Nagi, S. Z., & Riley, L. E. (1970). Disability in the United States: A compendium of data on prevalence and programs. Edited by Lawrence E. Riley and Saad Z. Nagi.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOhio State University. Division of Disability Research, United States. Social and Rehabilitation Service, Saad Z. Nagi, और Lawrence E. Riley. Disability in the United States: A Compendium of Data on Prevalence and Programs. Edited by Lawrence E. Riley and Saad Z. Nagi. Columbus, 1970.
एमएलए (8वां संस्करण) प्रशस्ति पत्रOhio State University. Division of Disability Research, et al. Disability in the United States: A Compendium of Data on Prevalence and Programs. Edited by Lawrence E. Riley and Saad Z. Nagi. 1970.