Energy in Europe: . Annual Energy Review ; special issue. Office for Official Publ. of the Europ. Communities.
Chicago-Zitierstil (17. Ausg.)Energy in Europe: . Annual Energy Review ; Special Issue. Luxembourg: Office for Official Publ. of the Europ. Communities.
MLA-Zitierstil (8. Ausg.)Energy in Europe: . Annual Energy Review ; Special Issue. Office for Official Publ. of the Europ. Communities.
警告：這些引文格式不一定是100％准確.