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.
Chicago-viite (17. p.)McDonnell, John J., Michael L. Hardman, ja Andrea P. McDonnell. An Introduction to Persons with Moderate and Severe Disabilities: Educational and Social Issues. 2nd ed. Boston: Allyn and Bacon, 2003.
MLA-viite (9. p.)McDonnell, 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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