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
"Coulmas, Florian",An introduction to multilingualism : language in a changing world,,Oxford University Press,2018,Oxford textbooks in linguistics,,"9780198791102,9780198791119",,https://cir.nii.ac.jp/crid/1130282273213183488