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 "Constantine VII Porphyrogenitus, Emperor of the East and Boissevain, U. Ph. (Ursulus Philippus) and Boor, Carl de and Büttner-Wobst, Theodor",Excerpta Historica iussu Imp. Constantini Porphyrogeniti confecta,,Weidmann,2003,,,,,https://cir.nii.ac.jp/crid/1130282270591999104