European Commission. Directorate-General for Energy. (1998). Thermie: European oil and gas technology projects : status report. Office for Official Publications of the European Communities.
Chicago-referens (17:e uppl.)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.
MLA-referens (8:e uppl.)European Commission. Directorate-General for Energy. Thermie: European Oil and Gas Technology Projects : Status Report. Office for Official Publications of the European Communities, 1998.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.