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
"Rudolf, Max and Frager, Malcolm and Fleisher, Leon and Serkin, Peter and Ellison, Paul",Dear Max/Lieber Malcolm : the Rudolf/Frager correspondence,,Pendragon Press,2010,North American Beethoven studies,,9781576471845,,https://cir.nii.ac.jp/crid/1130282272123154816