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
"Levantis, Theodore and Manning, Michael and Institute of National Affairs",The business and investment environment in PNG : the private sector perspective : a private sector survey,,Institute of National Affairs,2002,Discussion paper,,9980771194,,https://cir.nii.ac.jp/crid/1130000793657140992