Heflin, L. J., & Bullock, L. M. (1992). Exceptionalities in children and youth (Instructor's ed.). Allyn and Bacon.
Chicago-čujuhus (17. p.)Heflin, L. Juane, juo Lyndal M. Bullock. Exceptionalities in Children and Youth. Instructor's ed. Boston: Allyn and Bacon, 1992.
MLA-čujuhus (9. p.)Heflin, L. Juane, juo Lyndal M. Bullock. Exceptionalities in Children and Youth. Instructor's ed. Allyn and Bacon, 1992.
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