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
"Thegan, Chorepiscopus of Trier, b. ca. 800 and Astronomus, fl. and Tremp, Ernst",Die Taten Kaiser Ludwigs . Das Leben Kaiser Ludwigs,,Hahnsche Buchhandlung,1995,Monumenta Germaniae historica,,3775253521,,https://cir.nii.ac.jp/crid/1130282269054798720