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
"Obi, Cyril and Oriola, Temitope B.",The unfinished revolution in Nigeria's Niger Delta : prospects for environmental justice and peace,,Routledge,2018,"Routledge studies in peace, conflict and security in Africa",,9780815358411,,https://cir.nii.ac.jp/crid/1130301365108246450