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
"Nigerian Institute of Social and Economic Research and Olayide, S. Olajuwon",Some estimates of supply and demand elasticity for selected commodities in Nigeria's foreign trade,,The Ibadan University Press,1969,N. I. S. E. R. Reprint series,,,,https://cir.nii.ac.jp/crid/1130000793722942208