Hallahan, D. P., & Kauffman, J. (1997). Exceptional learners: Introduction to special education (7th ed.). Allyn and Bacon.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHallahan, Daniel P., और James Kauffman. Exceptional Learners: Introduction to Special Education. 7th ed. Boston: Allyn and Bacon, 1997.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHallahan, Daniel P., और James Kauffman. Exceptional Learners: Introduction to Special Education. 7th ed. Allyn and Bacon, 1997.
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