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 : from practice to theory,,Multilingual Matters,1997,Multilingual matters,,"1853593729,1853593710",,https://cir.nii.ac.jp/crid/1130282271437090688