Dyfyniad APA
International Energy Agency, Organisation for Economic Co-operation and Development, & ProQuest (Firm). (2009). Energy balances of OECD countries: Bilans energetiques des pays de l'OCDE (2009 ed.). OECD/IEA.
Dyfyniad Arddull Chicago
International Energy Agency, Organisation for Economic Co-operation and Development, and ProQuest (Firm). Energy Balances of OECD Countries: Bilans Energetiques Des Pays De L'OCDE. 2009 ed. Paris: OECD/IEA, 2009.
Dyfyniad MLA
International Energy Agency, et al. Energy Balances of OECD Countries: Bilans Energetiques Des Pays De L'OCDE. 2009 ed. OECD/IEA, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.