توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

European Commission. Directorate-General for Energy. (1998). Thermie: European oil and gas technology projects : status report. Office for Official Publications of the European Communities.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

European Commission. Directorate-General for Energy. Thermie: European Oil and Gas Technology Projects : Status Report. Luxembourg: Office for Official Publications of the European Communities, 1998.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

European Commission. Directorate-General for Energy. Thermie: European Oil and Gas Technology Projects : Status Report. Office for Official Publications of the European Communities, 1998.