Dyfyniad APA
Lecocq, F. (2005). State and trends of the carbon market 2004. World Bank.
Dyfyniad Arddull Chicago
Lecocq, Franck. State and Trends of the Carbon Market 2004. Washington, DC: World Bank, 2005.
Dyfyniad MLA
Lecocq, Franck. State and Trends of the Carbon Market 2004. World Bank, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.