著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Ardaman Singh and India. Director, Census Operations, Union Territory, Chandigarh",Households and household population by language mainly spoken in the household,,Controller of Publications,1987,भारत की जनगणना 1981 = Census of India 1981,,,,https://cir.nii.ac.jp/crid/1130282269971107200