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 "Hartzenberg, Trudi and SAPES Trust and Southern Africa Regional Institute for Policy Studies",SADC-EU trade relations,,SARIPS of SAPES Trust,2000,Regional cooperation series,,1779050984,,https://cir.nii.ac.jp/crid/1130282270530179712