APA (7th ed.) Zitazioa
Hallahan, D. P. (2003). Exceptional children: Introduction to special education (9th.ed.). Allyn and Bacon.
Chicago Style (17th ed.) Zitazioa
Hallahan, Daniel P. Exceptional Children: Introduction to Special Education. 9th.ed. Boston: Allyn and Bacon, 2003.
MLA (9th ed.) Zitazioa
Hallahan, Daniel P. Exceptional Children: Introduction to Special Education. 9th.ed. Allyn and Bacon, 2003.
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