APA (7th ed.) Zitazioa
International Energy Agency. (2015). Energy statistics of OECD countries (2015 edition.). International Energy Agency.
Chicago Style (17th ed.) Zitazioa
International Energy Agency. Energy Statistics of OECD Countries. 2015 edition. Paris, [France]: International Energy Agency, 2015.
MLA (9th ed.) Zitazioa
International Energy Agency. Energy Statistics of OECD Countries. 2015 edition. International Energy Agency, 2015.
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