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
"Oriji, John Nwachimereze",Traditions of Igbo origin : a study of pre-colonial population movements in Africa,,P. Lang,1990,American university studies,,0820412678,,https://cir.nii.ac.jp/crid/1130282271964492928