Dyfyniad APA

European Commission. Directorate-General for Energy and Transport. (2005). Implementing the internal energy market: Annual report 2004. Office for Official Publications of the European Communities.

Dyfyniad Arddull Chicago

European Commission. Directorate-General for Energy and Transport. Implementing the Internal Energy Market: Annual Report 2004. Luxembourg: Office for Official Publications of the European Communities, 2005.

Dyfyniad MLA

European Commission. Directorate-General for Energy and Transport. Implementing the Internal Energy Market: Annual Report 2004. Office for Official Publications of the European Communities, 2005.

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