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
"Morgan, Gwendolyn A.",Medieval balladry and the courtly tradition : literature of revolt and assimulation,,P. Lang,1993,American university studies,,0820420425,,https://cir.nii.ac.jp/crid/1130282271884242816