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
"Lukonga, Inutu and van Til, Reinold H. and International Monetary Fund","Nigeria's non-oil exports : determinants of supply and demand, 1970-90",,International Monetary Fund,1994,IMF working paper,,,,https://cir.nii.ac.jp/crid/1130000797496252672