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 "Chandra Sekhar, A. and India. Office of the Registrar General & Census Commissioner",Economic characteristics of population (selected tables),,Registrar General & Census Commissioner,1972,"Census of India, 1971",,,,https://cir.nii.ac.jp/crid/1130000797257900416