Dyfyniad APA
International Energy Agency. (2013). Energy policies beyond IEA countries. OECD/IEA.
Dyfyniad Arddull Chicago
International Energy Agency. Energy Policies Beyond IEA Countries. Paris: OECD/IEA, 2013.
Dyfyniad MLA
International Energy Agency. Energy Policies Beyond IEA Countries. OECD/IEA, 2013.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.