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
"Eyal, Jonathan",The Warsaw Pact and the Balkans : Moscow's southern flank,,Macmillan,1989,RUSI defence studies series,,0333456270,,https://cir.nii.ac.jp/crid/1130000796083504384