Παραπομπή APA
European Commission. (1993). Energy in Europe: Community assistance in the energy sector to the countries of central and eastern Europe and the former Soviet Union. Luxembourg: Office for Official Publications of the European Communities.
Παραπομπή Chicago StyleEuropean Commission. Energy in Europe: Community Assistance in the Energy Sector to the Countries of Central and Eastern Europe and the Former Soviet Union. Luxembourg: Office for Official Publications of the European Communities, 1993.
Παραπομπή MLAEuropean Commission. Energy in Europe: Community Assistance in the Energy Sector to the Countries of Central and Eastern Europe and the Former Soviet Union. Luxembourg: Office for Official Publications of the European Communities, 1993.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.