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
"Langland, William and Rigg, A. G. and Brewer, Charlotte",Piers Plowman : the Z version,,Pontifical Institute of Mediaeval Studies,1983,Studies and texts,,0888440596,,https://cir.nii.ac.jp/crid/1130000798311830016