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
"Westlake, M. J.",Taxation and control of the Kenyan coffee industry,,"Institute for Development Studies, University of Nairobi",1973,Discussion paper,,,,https://cir.nii.ac.jp/crid/1130000797468549760