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 Adalemo, I.A.",The response of agricultural production to a change in transfer cost,,The Ibadan University Press,1969,N. I. S. E. R. Reprint series,,,,https://cir.nii.ac.jp/crid/1130282270128940544