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
"Witte, Els and Baetens Beardsmore, Hugo",The Interdisciplinary study of urban bilingualism in Brussels,,Multilingual Matters,1987,Multilingual matters,,"0905028686,0905028678",,https://cir.nii.ac.jp/crid/1130000795999198848