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 "Verbruggen, J. F. and Willard, Sumner and United States Military Academy and Southern, R. W.",The art of warfare in Western Europe during the Middle Ages : from the eighth century to 1340,"2nd ed., rev. and enl",Boydell Press,1998,Warfare in history,,0851155707,,https://cir.nii.ac.jp/crid/1130282270028280704