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
"Kagay, Donald J. and Villalon, L. J. Andrew",The circle of war in the Middle Ages : essays on medieval military and naval history,,Boydell Press,1999,Warfare in history,,0851156452,,https://cir.nii.ac.jp/crid/1130282270674178560