Cita APA (7th ed.)

KIRK, S. A., & GALLAGHER, J. J. (1979). Educational exceptional children.-- ed.3. Hougton Mifflin co.

Cita Chicago (17th ed.)

KIRK, Samual A., i James J. GALLAGHER. Educational Exceptional Children.-- Ed.3. Dallas: Hougton Mifflin co, 1979.

Cita MLA (9th ed.)

KIRK, Samual A., i James J. GALLAGHER. Educational Exceptional Children.-- Ed.3. Hougton Mifflin co, 1979.