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
"Hughes Hallett, Andrew and Braga, Carlos Alberto Primo and World Bank. International Economics Dept.",The new regionalism and the threat of protectionism,,"World Bank, International Economics Dept., International Trade Division",1994,Policy research working papers,,,,https://cir.nii.ac.jp/crid/1130000797607883264