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
"Smieja, Birgit",Language pluralism in Botswana : hope or hurdle?,,Peter Lang,2003,Duisburger Arbeiten zur Sprach- und Kulturwissenschaft = Duisburg papers on research in language and culture,,"3631503776,0820460699",,https://cir.nii.ac.jp/crid/1130282270861808896