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
"Raftis, J. A. (James Ambrose)",Pathways to medieval peasants,,Pontifical Institute of Mediaeval Studies,1981,Papers in mediaeval studies,,0888448023,,https://cir.nii.ac.jp/crid/1130000797033330304