Cita APA (7th ed.)

Organisation for Economic Co-operation and Development & ProQuest (Firm). (2012). Energy. OECD.

Cita Chicago (17th ed.)

Organisation for Economic Co-operation and Development i ProQuest (Firm). Energy. Paris: OECD, 2012.

Cita MLA (9th ed.)

Organisation for Economic Co-operation and Development i ProQuest (Firm). Energy. OECD, 2012.