Cita APA (7th ed.)

Heward, W. L. (2000). Exceptional children: An introduction to special education (Sixth edition.). Merrill.

Cita Chicago (17th ed.)

Heward, William L. Exceptional Children: An Introduction to Special Education. Sixth edition. Upper Saddle River, NJ: Merrill, 2000.

Cita MLA (9th ed.)

Heward, William L. Exceptional Children: An Introduction to Special Education. Sixth edition. Merrill, 2000.