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
"Butts, Kent Hughes and Thomas, Paul R.",The geopolitics of southern Africa : South Africa as regional superpower,,Westview Press,1986,Westview special studies on Africa,,0813372615,,https://cir.nii.ac.jp/crid/1130282269321610112