Παραπομπή APA

Commission of the European Communities. (2000). Energy in Europe 1999: Annual energy review. Luxembourg: Office for Official Publications of the European Communities.

Παραπομπή Chicago Style

Commission of the European Communities. Energy in Europe 1999: Annual Energy Review. Luxembourg: Office for Official Publications of the European Communities, 2000.

Παραπομπή MLA

Commission of the European Communities. Energy in Europe 1999: Annual Energy Review. Luxembourg: Office for Official Publications of the European Communities, 2000.

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