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
"Balassa, Bela A. and World Bank. Development Research Department, Economics and Research Staff",The importance of trade for developing countries,,"Development Research Dept., Economics and Research Staff, World Bank",1987,World Bank discussion papers,,,,https://cir.nii.ac.jp/crid/1130282273371109376