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 "Engel, Ulf and Kappel, Robert","Germany's Africa policy revisited : interests, images and incrementalism",,Lit,2002,Politics and economics in Africa,,3825859851,,https://cir.nii.ac.jp/crid/1130282270793356672