Hallahan, D. P., & Kauffman, J. (1997). Exceptional learners: Introduction to special education (7th ed.). Allyn and Bacon.
Chicago-čujuhus (17. p.)Hallahan, Daniel P., juo James Kauffman. Exceptional Learners: Introduction to Special Education. 7th ed. Boston: Allyn and Bacon, 1997.
MLA-čujuhus (9. p.)Hallahan, Daniel P., juo James Kauffman. Exceptional Learners: Introduction to Special Education. 7th ed. Allyn and Bacon, 1997.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.