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
"Etuk, Efiong J.",The Nigerian business environment : an introduction to business and society in an African economy,,Macmillan,1985,Macmillan international college edition,,0333342283,,https://cir.nii.ac.jp/crid/1130282270224584576