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
"Schmidt, Ruth Laila",Urdu : an essential grammar,,Routledge,1999,Essential grammars,,"0415163803,0415163811",,https://cir.nii.ac.jp/crid/1130282270149618560