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 "Kessler, Tim and Alexander, Nancy and Group of Twenty-four and United Nations Conference on Trade and Development",Assessing the risks in the private provision of essential services,,United Nations,2004,G-24 discussion paper series : research papers for the Intergovernmental Group of Twenty-Four on international monetary affairs,,,,https://cir.nii.ac.jp/crid/1130000796014582656