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 "Wilson, Frank Arnal",Some economic aspects of the structure and organization of small scale marketing systems : marketing of fruit and vegetables in Kenya,,"Institute for Development Studies, University of Nairobi",1973,Discussion paper,,,,https://cir.nii.ac.jp/crid/1130000796492148608