Dyfyniad APA

Hallahan, D. P., & Kauffman, J. (1997). Exceptional learners: Introduction to special education (7th ed.). Allyn and Bacon.

Dyfyniad Arddull Chicago

Hallahan, Daniel P., and James Kauffman. Exceptional Learners: Introduction to Special Education. 7th ed. Boston: Allyn and Bacon, 1997.

Dyfyniad MLA

Hallahan, Daniel P., and James Kauffman. Exceptional Learners: Introduction to Special Education. 7th ed. Allyn and Bacon, 1997.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.