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
"Hartley, Paul F. and Bland, Ronald",South Sudan : challenges and opportunities for Africa's new nation,,Nova Science,2012,Global political studies series,,9781619422766,,https://cir.nii.ac.jp/crid/1130000798140759808