Dyfyniad APA

Journal of mental deficiency research. Blackwell Scientific Publications on behalf of the Royal Society for Mentally Handicapped Children and Adults.

Dyfyniad Arddull Chicago

Journal of Mental Deficiency Research. Oxford: Blackwell Scientific Publications on behalf of the Royal Society for Mentally Handicapped Children and Adults.

Dyfyniad MLA

Journal of Mental Deficiency Research. Blackwell Scientific Publications on behalf of the Royal Society for Mentally Handicapped Children and Adults.

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