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.",The art of warfare in Western Europe during the Middle Ages : from the eighth century to 1340,,"North-Holland Pub. Co,distributors for the U.S.A. and Canada, Elsevier/North Holland",1977,Europe in the Middle Ages,,0720490065,,https://cir.nii.ac.jp/crid/1130282272002225664