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
"Fuhrmann, Horst and Reuter, Timothy","Germany in the High Middle Ages, c. 1050-1200",,Cambridge University Press,1986,Cambridge medieval textbooks,,"0521266386,0521319803",,https://cir.nii.ac.jp/crid/1130282270892336896