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
"Firth, John B.",Constantine the Great : the reorganisation of the empire and the triumph of the church,New ed.,Putgnam's sons,1923,Heroes of the nations,,,,https://cir.nii.ac.jp/crid/1130000797511806720