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
"Bowlus, Charles R.","Franks, Moravians, and Magyars : the struggle for the Middle Danube, 788-907",,University of Pennsylvania Press,1995,Middle Ages series,,9780812232769,,https://cir.nii.ac.jp/crid/1130282268759684224