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 and Olatunbosun, Dupe",An econometric analysis of Nigeria's export demand,,The Ibadan University Press,1971,N. I. S. E. R. Reprint series,,,,https://cir.nii.ac.jp/crid/1130000797426799232