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
"Haaland, Gunnar",Problems of savannah development : the Sudan case,,"Dept. of Social Anthropology, University of Bergen",1982,African Savannah studies,,,,https://cir.nii.ac.jp/crid/1130000796934833408