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
"Schmidt, Günter, fl.",Maize and beans marketing in Kenya : the interaction and effectiveness of the informal and formal marketing systems,,"Institute for Development Studies, University of Nairobi",1979,Occasional paper,,,,https://cir.nii.ac.jp/crid/1130282272395177856