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
"Cholakov, Petar",Ethnic entrepreneurs unmasked : political institutions and ethnic conflicts in contemporary Bulgaria,,ibidem,2018,Soviet and post-Soviet politics and society,,9783838211893,,https://cir.nii.ac.jp/crid/1130282273154052480