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
"Salisu, Mohammed and World Institute for Development Economics Research and United Nations University","Incentive structure, civil service efficiency and the hidden economy in Nigeria",,"World Institute for Development Economics Research, United Nations University",2001,WIDER discussion paper,,9524552965,,https://cir.nii.ac.jp/crid/1130000796837872256