Cita APA (7th ed.)

Organisation for Economic Co-operation and Development & International Energy Agency. (1999). Energy policies of IEA countries. OCED.

Cita Chicago (17th ed.)

Organisation for Economic Co-operation and Development i International Energy Agency. Energy Policies of IEA Countries. Paris: OCED, 1999.

Cita MLA (8th ed.)

Organisation for Economic Co-operation and Development i International Energy Agency. Energy Policies of IEA Countries. OCED, 1999.

Atenció: Aquestes cites poden no estar 100% correctes.