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
"Oyejide, T. Ademola and African Economic Research Consortium",Regional integration and trade liberalization in sub-Saharan Africa : an AERC collaborative research project : summary report,,African Economic Research Consortium,1997,AERC special paper,,9966900357,,https://cir.nii.ac.jp/crid/1130282270141506304