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
"Tvedten, Inge",Angola : struggle for peace and reconstruction,,Westview Press,1997,Nations of the modern world,,"0813384893,0813333350",,https://cir.nii.ac.jp/crid/1130000795631643392