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
"Holden, Stein and Shiferaw, Bekele and Pender, John",Market imperfections and land productivity in the Ethiopian highlands,,Environment and Production Technology Division. International Food Policy Research Institute,2001,EPTD discussion paper,,,,https://cir.nii.ac.jp/crid/1130282268890561280