G20
http://www.korea.kr/newsWeb/pages/brief/hotIssue3/view.do?issueNewsId=71517402&newsDataId=148677042&packageId=49500479&currPage=
http://www.korea.kr/newsWeb/pages/brief/hotIssue3/view.do?issueNewsId=71517402&newsDataId=148677042&packageId=49500479&currPage=archive.ph
https://archive.is/20120709081923/article.joins.com/article/article.asp?Total_ID=3795228http://korea.kr/newsWeb/pages/brief/categoryNews2/view.do?newsDataId=148677802&category_id=subject&currPage=#
http://korea.kr/newsWeb/pages/brief/categoryNews2/view.do?newsDataId=148677802&category_id=subject&currPage=#[G20 정상회의 유치] G5~G20 변천사
http://www.seoul.co.kr/news/newsView.php?id=20090926003008