एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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