"秦东亚获70公斤级柔道铜牌 日本队实现五金目标" [Qin Dongya won the bronze medal in judo in the 70 kg class. The Japanese team achieved the gold medal goal.]. southcn.com (in Chinese). 19 August 2004. Archived from the original on 18 January 2012.
web.archive.org
"Dongya Qin". databaseolympics.com. Archived from the original on 30 September 2007.{{cite web}}: CS1 maint: unfit URL (link)
"秦东亚获70公斤级柔道铜牌 日本队实现五金目标" [Qin Dongya won the bronze medal in judo in the 70 kg class. The Japanese team achieved the gold medal goal.]. southcn.com (in Chinese). 19 August 2004. Archived from the original on 18 January 2012.
