Dyfyniad APA

Kolstoe, O. P. (1972). Mental retardation: An educational viewpoint. Holt, Rinehart and Winston.

Dyfyniad Arddull Chicago

Kolstoe, Oliver P. Mental Retardation: An Educational Viewpoint. New York: Holt, Rinehart and Winston, 1972.

Dyfyniad MLA

Kolstoe, Oliver P. Mental Retardation: An Educational Viewpoint. Holt, Rinehart and Winston, 1972.

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