Παραπομπή APA

European Environment Agency. (2007). Air pollution in Europe 1990-2004. Luxembourg: Office for Official Publications of the European Communities.

Παραπομπή Chicago Style

European Environment Agency. Air Pollution in Europe 1990-2004. Luxembourg: Office for Official Publications of the European Communities, 2007.

Παραπομπή MLA

European Environment Agency. Air Pollution in Europe 1990-2004. Luxembourg: Office for Official Publications of the European Communities, 2007.

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