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 "Bolton, W. F. (Whitney French) and Wrenn, Charles Leslie",Beowulf : with the Finnesburg fragment,5th ed,University of Exeter Press,1996,Exeter medieval English texts and studies,,0859895181,,https://cir.nii.ac.jp/crid/1130282270617024000