APA-viite (7. p.)
Hallahan, D. P., & Kauffman, J. (1997). Exceptional learners: Introduction to special education (7th ed.). Allyn and Bacon.
Chicago-viite (17. p.)
Hallahan, Daniel P., ja James Kauffman. Exceptional Learners: Introduction to Special Education. 7th ed. Boston: Allyn and Bacon, 1997.
MLA-viite (9. p.)
Hallahan, Daniel P., ja James Kauffman. Exceptional Learners: Introduction to Special Education. 7th ed. Allyn and Bacon, 1997.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.