Dyfyniad APA
International Energy Agency. (2003). Energy policies of IEA countries: Switzerland 2003 review. OECD/IEA.
Dyfyniad Arddull Chicago
International Energy Agency. Energy Policies of IEA Countries: Switzerland 2003 Review. Paris, Cedex, France: OECD/IEA, 2003.
Dyfyniad MLA
International Energy Agency. Energy Policies of IEA Countries: Switzerland 2003 Review. OECD/IEA, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.