http://www.yomiuri.co.jp/atmoney/news/20080719-OYT1T00229.htm

http://www.nikkei.co.jp/news/kaigai/20080721AT2M2100D21072008.html

http://www.asahi.com/international/update/0721/TKY200807210236.html

http://sankei.jp.msn.com/economy/business/080721/biz0807211750001-n1.htm ＷＴＯコメ関税 日本、２〜５割下げ受け入れ検討 http://www.asahi.com/business/update/0720/TKY200807200214.html

http://www.yomiuri.co.jp/atmoney/news/20080720-OYT1T00130.htm