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 "Kang, Kichun and 産業研究院",The sustainability of Korea's trade balances with China and Japan : perspective from the asymmetry in income elasticties,,Korea Institute for Industrial Economics and Trade (KIET),2007,KIET occasional paper,,9788959921317,,https://cir.nii.ac.jp/crid/1130000798096535424