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
"Grekov, B. D. (Boris Dmitrievich) and Cherepnin, L. V. and Pashuto, Vladimir Terentʹevich",Feudalismus,,Rütten & Loening,1957,Geschichte der UdSSR,,,,https://cir.nii.ac.jp/crid/1130282270078151168