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
"Extra, Guus and Gorter, D. (Durk)",Multilingual Europe : facts and policies,,Mouton de Gruyter,2008,Contributions to the sociology of language,,9783110205121,,https://cir.nii.ac.jp/crid/1130000797321961728