1. BP, 2014https://www.bp.com/content/dam/bp/pdf/speeches/2014/bp_statistical_review_of_world_energy_2014_speech.pdf
2. BP, 2017https://www.bp.com/content/dam/bp/en/corporate/pdf/energy-economics/statistical-review-2017/bp-statistical-review-of-world-energy-2017-full-report.pdf
3. UNFCCC, 2010https://unfccc.int/files/meetings/cop_15/copenhagen_accord/application/pdf/chinacphaccord.pdf
4. Planetary Economics: Energy, Climate Change and the Three Domains of Sustainable Development;Grubb,2014
5. How to improve the market efficiency of carbon trading: A perspective of China