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
"Strong, Charles Frederick",The world of the Middle Ages : from the division of Charlemagne's Empire in the ninth century to the Renaissance in the fifteenth century,,University of London Press,1954,A history of Britain and the world : a five-year course for grammar schools,,,,https://cir.nii.ac.jp/crid/1130282269325482752