APA (7th ed.) Zitazioa
International Energy Agency & ProQuest (Firm). (2011). Energy statistics of non-OECD countries (2011 ed.). International Energy Agency.
Chicago Style (17th ed.) Zitazioa
International Energy Agency eta ProQuest (Firm). Energy Statistics of Non-OECD Countries. 2011 ed. Paris: International Energy Agency, 2011.
MLA (9th ed.) Zitazioa
International Energy Agency eta ProQuest (Firm). Energy Statistics of Non-OECD Countries. 2011 ed. International Energy Agency, 2011.
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