Kirk, S. A., & Gallagher, J. J. (1989). Educating exceptional children: Instructor's manual / Samuel A. Kirk, James A. Gallagher (6th ed.). Houghton Mifflin.
Cita Chicago (17th ed.)Kirk, Samuel A., i James John Gallagher. Educating Exceptional Children: Instructor's Manual / Samuel A. Kirk, James A. Gallagher. 6th ed. Boston: Houghton Mifflin, 1989.
Cita MLA (9th ed.)Kirk, Samuel A., i James John Gallagher. Educating Exceptional Children: Instructor's Manual / Samuel A. Kirk, James A. Gallagher. 6th ed. Houghton Mifflin, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.