Dyfyniad APA

International Energy Agency, Organisation for Economic Co-operation and Development, & ProQuest (Firm). (2005). Spain 2005 review. OECD/IEA.

Dyfyniad Arddull Chicago

International Energy Agency, Organisation for Economic Co-operation and Development, and ProQuest (Firm). Spain 2005 Review. Paris: OECD/IEA, 2005.

Dyfyniad MLA

International Energy Agency, et al. Spain 2005 Review. OECD/IEA, 2005.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.