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.
Chicago Style (17th ed.) CitationEuropean 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.
MLA引文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.
警告：這些引文格式不一定是100％准確.