APA (7 ম সংস্করণ) উদ্ধৃতি

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.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

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.