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
"Vijayan Unni, M. and India. Office of the Registrar General & Census Commissioner",District profile 1991,,Register General of India,1998,"Census of India, 1991",,,,https://cir.nii.ac.jp/crid/1130282270030453632