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
Getachew Metaferia and Maigenet Shifferraw,The Ethiopian revolution of 1974 and the exodus of Ethiopia's trained human resources,,Edwin Mellen Press,1991,African studies,,0773494588,,https://cir.nii.ac.jp/crid/1130282269283901056