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
"Skutnabb-Kangas, Tove and Phillipson, Robert",Language endangerment and revitalisation : language rights charters and declarations,,Routledge,2017,Critical concepts in language studies,,9780415740852,,https://cir.nii.ac.jp/crid/1130282273272808320