McDonnell, J. J., Hardman, M. L., & McDonnell, A. P. (2003). An introduction to persons with moderate and severe disabilities: Educational and social issues (2nd ed.). Allyn and Bacon.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMcDonnell, John J., Michael L. Hardman, और Andrea P. McDonnell. An Introduction to Persons with Moderate and Severe Disabilities: Educational and Social Issues. 2nd ed. Boston: Allyn and Bacon, 2003.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMcDonnell, John J., et al. An Introduction to Persons with Moderate and Severe Disabilities: Educational and Social Issues. 2nd ed. Allyn and Bacon, 2003.
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