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
"Mitra, Asok and Nigam, R. C. (Ramesh Chandra) and Singh, Ram Adhar and India. Office of the Registrar General & Census Commissioner",Inquiries into the spoken languages of India : from early times to census of India 1901,,In-house reproduction,1969,"Census of India, 1961",,,,https://cir.nii.ac.jp/crid/1130282271279853696