Energy Charter Secretariat. (2007). Putting a price on energy: International pricing mechanisms for oil and gas. Energy Charter Secretariat.
Chicago Style (17. basım) AtıfEnergy Charter Secretariat. Putting a Price on Energy: International Pricing Mechanisms for Oil and Gas. Brussels, Belgium: Energy Charter Secretariat, 2007.
MLA (9th ed.) AtıfEnergy Charter Secretariat. Putting a Price on Energy: International Pricing Mechanisms for Oil and Gas. Energy Charter Secretariat, 2007.
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