Cofnodi Dyfyniadau
Dyfyniad APA
Organisation for Economic Co-operation and Development, International Energy Agency, & ProQuest (Firm). (2008). World energy outlook 2008. OECD/IEA.
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Dyfyniad Arddull Chicago
Organisation for Economic Co-operation and Development, International Energy Agency, and ProQuest (Firm). World Energy Outlook 2008. Paris: OECD/IEA, 2008.
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Dyfyniad MLA
Organisation for Economic Co-operation and Development, et al. World Energy Outlook 2008. OECD/IEA, 2008.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.