Παραπομπή APA

European Commission. (1993). Energy in Europe: Annual energy review. Luxembourg: Office for Official Publications of the European Communities.

Παραπομπή Chicago Style

European Commission. Energy in Europe: Annual Energy Review. Luxembourg: Office for Official Publications of the European Communities, 1993.

Παραπομπή MLA

European Commission. Energy in Europe: Annual Energy Review. Luxembourg: Office for Official Publications of the European Communities, 1993.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.