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
"Basu, Praphullachandra","Indo-Aryan polity, Rigvedic period",,Nag Publishers,1977,N.P. series,,,,https://cir.nii.ac.jp/crid/1130000794809421312