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
"Tiffen, M. and Mortimore, M. and Ackello-Ogutu, C. (Christopher) and Overseas Development Institute (London, England). Agricultural Administration Unit","From agro-pastoralism to mixed farming : the evolution of farming systems in Machakos, Kenya, 1930-1990",,"Agricultural Administration Unit, Overseas Development Institute",1993,Network paper,,,,https://cir.nii.ac.jp/crid/1130282271023181696