Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.