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 "Verma, Mahendra K. and Sociolinguistics Symposium","Sociolinguistics, language, and society",,Sage Publications,1998,Language and development,,"8170366542,0761992022",,https://cir.nii.ac.jp/crid/1130282271266841856