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
"Giraldus, Cambrensis and Bartlett, Robert",Instruction for a ruler = De principis instructione,,Clarendon Press,2018,Oxford medieval texts,,9780198738626,,https://cir.nii.ac.jp/crid/1130000795133833728