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 "MacKenzie, Ian",Language contact and the future of English,,Routledge,2020,Routledge studies in sociolinguistics,,9780367593629,,https://cir.nii.ac.jp/crid/1130005508785590029