Narayan Chandra Pati. (2006). Causes, prevention, identification and assessment of mental retardation. Kanishka.
استشهاد بنمط شيكاغوNarayan Chandra Pati. Causes, Prevention, Identification and Assessment of Mental Retardation. New Delhi: Kanishka, 2006.
MLA استشهادNarayan Chandra Pati. Causes, Prevention, Identification and Assessment of Mental Retardation. Kanishka, 2006.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.