Hallahan, D. P. (1988). Exceptional children: Introduction to special education (4ª ed.). Prentice Hall.
Chicago-viite (17. p.)Hallahan, Daniel P. Exceptional Children: Introduction to Special Education. 4ª ed. Prentice Hall, 1988.
MLA-viite (9. p.)Hallahan, Daniel P. Exceptional Children: Introduction to Special Education. 4ª ed. Prentice Hall, 1988.
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