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
"Munu, M and Nigerian Institue of International Affairs",The future of ECOWAS,,Nigerian Institue of International Affairs,1989,Lecture series (Nigerian Institute of International Affairs),,,,https://cir.nii.ac.jp/crid/1130000793893523968