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
"Ikimẹ, Obaro",Merchant Prince of the Niger Delta : the rise & fall of Nana Olomu last governor of the Benin River,,Heinemann Educational Books,1971,H・E・B paperback,,0435324667,,https://cir.nii.ac.jp/crid/1130282272998591616