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
"Ibrahim, Abdel Rahman Abbakar",The development of the livestock sector in the Sudan : a case study of public policy analysis,,Organization for Social Science Research in Eastern and Southern Africa,1999,Social science research report series,,,,https://cir.nii.ac.jp/crid/1130282269608045824