Hallahan, D. P. (1988). Exceptional children: Introduction to special education (4ª ed.). Prentice Hall.
Cita Chicago (17th ed.)Hallahan, Daniel P. Exceptional Children: Introduction to Special Education. 4ª ed. Prentice Hall, 1988.
Cita MLA (9th ed.)Hallahan, Daniel P. Exceptional Children: Introduction to Special Education. 4ª ed. Prentice Hall, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.