European Environment Agency. (2003). Europe's water: An indicator-based assessment. Office for Official Publications of the European Communities.
Παραπομπή σε μορφή Chicago (17η εκδ.)European Environment Agency. Europe's Water: An Indicator-based Assessment. Luxembourg: Office for Official Publications of the European Communities, 2003.
Παραπομπή σε μορφή MLA (8th εκδ.)European Environment Agency. Europe's Water: An Indicator-based Assessment. Office for Official Publications of the European Communities, 2003.
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