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
"Michael, Belaynesh and Chojnacki, Stanisław and Pankhurst, Richard",From early times to the end of the Zagwé dynasty c. 1270 A.D,,"Institute of Ethiopian Studies, Addis Ababa University",1975,The Dictionary of Ethiopian biography,,,,https://cir.nii.ac.jp/crid/1130000795051321728