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
"Sumberg, J. E. and Overseas Development Institute (London, England). Agricultural Administration Unit","NGOs and agriculture at the Margin : research, participation and sustainability in West Africa",,"Agricultural Administration Unit, Overseas Development Institute",1991,Network paper,,,,https://cir.nii.ac.jp/crid/1130282269877548672