Dyfyniad APA
International Energy Agency, Organisation for Economic Co-operation and Development, & ProQuest (Firm). (2008). The United States 2007 review. OECD/IEA.
Dyfyniad Arddull Chicago
International Energy Agency, Organisation for Economic Co-operation and Development, and ProQuest (Firm). The United States 2007 Review. Paris: OECD/IEA, 2008.
Dyfyniad MLA
International Energy Agency, et al. The United States 2007 Review. OECD/IEA, 2008.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.