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
"Focas, Spiridon G.",The Lower Danube River : in the Southeastern European political and economic complex from antiquity to the Conference of Belgrade of 1948,,"East European Monographs,Distributed by Columbia University Press",1987,East European monographs,,0880331232,,https://cir.nii.ac.jp/crid/1130000795062275968