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
"Wijayasiri, Janaka and Institute of Policy Studies (Colombo, Sri Lanka)",Utilization of preferential trade arrangements : Sri Lanka's experience with the EU and US GSP schemes,,Institute of Policy Studies,2007,Research studies,,,,https://cir.nii.ac.jp/crid/1130282272490478848