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
Asma Giyorgis and Bairu Tafla,Aasma Giyorgis and his work : history of the Gāllā and the kingdom of Šawā,,F. Steiner Verlag Wiesbaden,1987,Äthiopistische Forschungen,,3515037160,,https://cir.nii.ac.jp/crid/1130000793987101056