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
"Tella, Oluwaseun","Africa's soft power : philosophies, political values, foreign policies and cultural exports",,Routledge,2021,Global Africa,,9781032008356,,https://cir.nii.ac.jp/crid/1130854095210364958