1. Zhongguancun and China's High-tech Parks in Transition;Cao;Asian Survey,2004
2. China Daily 2011 Rail linking Europe to open up China's less-developed West China Daily
3. China Net 2011 Property tax will be claimed in Chongqing (in Chinese: Zhongguo Wang (2011). Chongqing Yunliang Kuoda Fangchan Shui Zhengshou Fanwei) http://www.china.com.cn/economic/txt/2011-09/07/content_23371556.htm
4. Chongqing Daily 2011 Chongqing ranks the 2nd in city competitiveness in 2011 in China Chongqing Daily
5. Chongqing Municipal Government 2010 Good air quality in chongqing city proper for 70 day in a row (in Chinese: Chongqing zhu cheng qu lian xu 70 tian kong qi zhi liang bao chi you liang) http://www.cq.gov.cn/zwgk/zfxx/218013.htm