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
"Fleckenstein, Josef",Early medieval Germany,,"North-Holland Pub. Co.,Distributors for the U.S.A. and Canada, Elsevier North-Holland",1978,Europe in the Middle Ages,,0444851348,,https://cir.nii.ac.jp/crid/1130000794968393856