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
"Ritter, Gerhard and Burckhardt, Sigurd","The German problem : basic questions of German political life, past and present",,Ohio State University Press,1965,Publications of the Graduate Institute for World Affairs,,,,https://cir.nii.ac.jp/crid/1130282269034399232