Ray, B. D. (1978). Social and economic profile of north-east india.
استشهاد بنمط شيكاغوRay, B Datta. Social and Economic Profile of North-east India. New Delhi, B R Publishing, 1978.
MLA استشهادRay, B Datta. Social and Economic Profile of North-east India. 1978.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.