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 "Brewer, Derek and Gibson, Jonathan",A companion to the Gawain-poet,,D.S. Brewer,1997,Arthurian studies,,"9780859914338,0859915298",,https://cir.nii.ac.jp/crid/1130282269275177600