Dyfyniad APA

Narayan Chandra Pati. (2006). Causes, prevention, identification and assessment of mental retardation. Kanishka.

Dyfyniad Arddull Chicago

Narayan Chandra Pati. Causes, Prevention, Identification and Assessment of Mental Retardation. New Delhi: Kanishka, 2006.

Dyfyniad MLA

Narayan Chandra Pati. Causes, Prevention, Identification and Assessment of Mental Retardation. Kanishka, 2006.

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