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 "Fought, Carmen",Language and ethnicity,,Cambridge University Press,2006,Key topics in sociolinguistics,,"9780521848435,9780521612913",,https://cir.nii.ac.jp/crid/1130282271346904576