Παραπομπή APA

European Community. (2012). EU energy in figures. Luxembourg: Office for Official Publications of the European Communities.

Παραπομπή Chicago Style

European Community. EU Energy in Figures. Luxembourg: Office for Official Publications of the European Communities, 2012.

Παραπομπή MLA

European Community. EU Energy in Figures. Luxembourg: Office for Official Publications of the European Communities, 2012.

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