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
"Bernek, Ágnes",Geopolitics of Central and Eastern Europe in the 21st Century : From the Buffer Zone to the Gateway Zone,,Peter Lang,2021,"Studies in politics, security and society",,9783631819159,,https://cir.nii.ac.jp/crid/1130291145434915092