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
"Emezi, Herbert O.","Nigerian population and urbanization, 1911-1974 : a bibliography",,"African Studies Center, University of California",1975,Occasional paper,,,,https://cir.nii.ac.jp/crid/1130000796243436288