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
"Schaff, Philip and Schaff, Daid S.",The middle ages,,Wm. B. Eerdmans,1957,History of the Christian church,,"0802880517,0802880525",,https://cir.nii.ac.jp/crid/1130282272058289152