Dyfyniad APA

Kirk, S. A. (1951). Educating the retarded child. Houghton Mifflin.

Dyfyniad Arddull Chicago

Kirk, Samuel Alexander. Educating the Retarded Child. Boston: Houghton Mifflin, 1951.

Dyfyniad MLA

Kirk, Samuel Alexander. Educating the Retarded Child. Houghton Mifflin, 1951.

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