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 "Zakaria, Yakubu",Entrepreneurial ethics and trust : cultural foundations and networks in the Nigerian plastic industry,,Ashgate,1999,The making of modern Africa,,0754611604,,https://cir.nii.ac.jp/crid/1130000796862128640