Cita APA (7th ed.)
International Energy Agency, Organisation for Economic Co-operation and Development, & ProQuest (Firm). (2009). Natural gas market review 2009. OECD : International Energy Agency.
Cita Chicago (17th ed.)
International Energy Agency, Organisation for Economic Co-operation and Development, i ProQuest (Firm). Natural Gas Market Review 2009. Paris: OECD : International Energy Agency, 2009.
Cita MLA (9th ed.)
International Energy Agency, et al. Natural Gas Market Review 2009. OECD : International Energy Agency, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.