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
"Delgado, Christopher L.",The Southern Fulani farming system in Upper Volta : a model for the integration of crop and livestock production in the West African savannah,,"Department of Agricultural Economics, Michigan State University",1979,African rural economy paper,,,,https://cir.nii.ac.jp/crid/1130282268823999872