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
"Politzer, Frieda N. and Politzer, Robert Louis",Romance trends in 7th and 8th century Latin documents,,University of North Carolina Press,1953,Studies in the Romance languages and literatures,,,,https://cir.nii.ac.jp/crid/1130282269308467712