1. GEA. Global energy assessment – toward a sustainable future. Cambridge, UK and New York, NY, USA :Cambridge University Press and Laxenburg, Austria: the International Institute for Applied Systems Analysis; 2012.
2. Energy technology perspectives. Pathways to a Clean Energy System; 2012. ISBN 978-92-64-17488-7.
3. U.S. energy information administration. International Energy Statistics. Available from: 〈http://www.eia.gov/cfapps/ipdbproject/IEDIndex3.cfm?tid=90&pid=44&aid=8〉.
4. China's targets and achievements in emission reduction, 2010. Available from: 〈http://www.china.org.cn/environment/2010-09/29/content_21036736.htm〉.
5. Olive, H. China commits to ‘carbon intensity' reduction. Climate Feedback. Available from: 〈http://blogs.nature.com/climatefeedback/2009/11/china_commits_to_carbon_intens.html〉.