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
Zewde Gabre-Sellassie,Yohannes IV of Ethiopia : a political biography,,Clarendon Press,1975,Oxford studies in African affairs,,0198216955,,https://cir.nii.ac.jp/crid/1130862069554533665