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
"Kaplan, Robert B. and Baldauf, Richard B.",Language planning and policy in Europe,,Multilingual Matters,2005,Language planning and policy,,"1853598119,9781853598135,9781847690289",,https://cir.nii.ac.jp/crid/1130282273136908800