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
"Nnoli, Okwudiba and United Nations Research Institute for Social Development",Ethnicity and development in Nigeria,,Avebury,1995,Research in ethnic relations series,,185972115X,,https://cir.nii.ac.jp/crid/1130000796826506496