Dyfyniad APA

Journal for Special Educators of the Mentally Retarded.

Dyfyniad Arddull Chicago

Journal for Special Educators of the Mentally Retarded.

Dyfyniad MLA

Journal for Special Educators of the Mentally Retarded.

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