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
"Kefale, Asnake",Federalism and ethnic conflict in Ethiopia : a comparative regional study,,Routledge,2013,Routledge series in regional and federal studies,,9780415615938,,https://cir.nii.ac.jp/crid/1130000798188997760