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
"George, Karen",Gildas's De excidio Britonum and the early British church,,Boydell & Brewer,2009,Studies in Celtic history,,9781843834359,,https://cir.nii.ac.jp/crid/1130000797781519232