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
"Donnell, Clayton and Delf, Brian",The fortifications of Verdun 1874-1917,,Osprey,2010,Fortress,,9781849084123,,https://cir.nii.ac.jp/crid/1130282272948213888