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
"Pirenne, Henri and Saunders, J. V. and Mundy, John Hine",Early democracies in the Low Countries : urban society and political conflict in the Middle Ages and the Renaissance,,Harper & Row,1963,Harper torchbooks,,,,https://cir.nii.ac.jp/crid/1130282268704482688