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
"Tolkien, J. R. R. (John Ronald Reuel)","Sir Gawain and the Green Knight, Pearl, and Sir Orfeo",,Allen & Unwin,1979,Unwin paperbacks,,0048210358,,https://cir.nii.ac.jp/crid/1130282270809685632