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
"Lehmann, Alexander and International Monetary Fund. Policy Development and Review Dept",Country risks and the investment activity of U.S. multinationals in developing countries,,International Monetary Fund,1999,IMF working paper,,,,https://cir.nii.ac.jp/crid/1130282272331162752