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 "Davis, Kathryn Anne","Language planning in multilingual contexts : policies, communities, and schools in Luxembourg",,J. Benjamins,1994,Studies in bilingualism,,"9027241112,1556195397",,https://cir.nii.ac.jp/crid/1130282270953894528