1. Central Policy Unit 2009 Commission to discuss opportunities from PRD and the National 12th Five-Year Plan to further develop the six economic areas that Hong Kong has clear advantages http://www.cpu.gov.hk/english/2009_csd_press120609.htm
2. Understanding cross-boundary cooperation in south China;Cheung;Progress in Planning,2010
3. Cheung , P.T.Y. The Changing Relations between Hong Kong and the Mainland since 2003 W.M. Lam P. Lui W. Wong Hong Kong politics: From the handover to the second decade Hong Kong University Press