1. British Petroleum (BP) (2020): Statistical review of world energy. https://www.bp.com/content/dam/bp/business-sites/en/global/corporate/pdfs/energy-economics/statistical-review/bp-stats-review-2020-full-report.pdf (Letzter Aufruf: 06.07.2020).
2. China Energy Portal (2021): Statistics. https://chinaenergyportal.org/en/category/stats/ (Letzter Aufruf: 18.08.2020).
3. Chinese Wind Energy Association (2017): Overview. https://community.ieawind.org/HigherLogic/System/DownloadDocumentFile.ashx?DocumentFileKey=46f86d9b-7b90-ab73-f974-e23f97039fb1 (Letzter Aufruf: 08.12.2020).
4. DiStasio, C. (2016): The global coal industry is using as much water as a billion people each year. https://inhabitat.com/wp-content/blogs.dir/1/files/2016/03/Greenpeace-coal-plants-China.jpg (Letzter Aufruf: 08.12.2020).
5. Global Petrol Prices (2021): Strompreise. https://de.globalpetrolprices.com/electricity_prices/#hl195 (Letzter Aufruf: 13.04.2021).