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
"Ajayi, Simeon Ibidayo and African Economic Research Consortium",Graduate training in economics in Nigeria and Ghana,,Initiatives Publishers,1990,AERC special paper,,9966420118,,https://cir.nii.ac.jp/crid/1130000797895377920