توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

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.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

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.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

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.