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.