1. Energy Antitrust Handbook: A Guide to the Electric and Gas Industries;ABA Section of Antitrust Law,2002
2. Energy Economics and the Environment;Bosselman,2000
3. Energy Charter (ECT), 2007. Putting Price on Energy: International Pricing Mechanisms for Oil and Gas (Energy Charter Secretariat 2007).
4. E.ON, (2013)〈http://uk.reuters.com/article/2013/08/13/uk-eon-results-idUKBRE97C0H720130813〉 (accessed 14 March 2014).
5. Gas transit in eurasia: transit issues between russia and the European Union and the role of the energy charter;Konoplyanik;J. Energy Nat. Resourc. Law,2009