Cita APA (7th ed.)
ProQuest (Firm). (2013). Energy policies of IEA countries. OECD/IEA.
Cita Chicago (17th ed.)
ProQuest (Firm). Energy Policies of IEA Countries. Paris: OECD/IEA, 2013.
Cita MLA (9th ed.)
ProQuest (Firm). Energy Policies of IEA Countries. OECD/IEA, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.