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
"Lavelle, Ryan and Spedaliere, Donato and Spedaliere, Sarah Sulemsohn",Fortifications in Wessex c.800-1066,,Osprey,2003,Fortress,,9781841766393,,https://cir.nii.ac.jp/crid/1130282272224835456