Παραπομπή APA
European Environment Agency. (2005). Effectiveness of urban wastewater treatment policies in selected countries: An EEA pilot study. Luxembourg: Office for Official Publications of the European Communities.
Παραπομπή Chicago StyleEuropean Environment Agency. Effectiveness of Urban Wastewater Treatment Policies in Selected Countries: An EEA Pilot Study. Luxembourg: Office for Official Publications of the European Communities, 2005.
Παραπομπή MLAEuropean Environment Agency. Effectiveness of Urban Wastewater Treatment Policies in Selected Countries: An EEA Pilot Study. Luxembourg: Office for Official Publications of the European Communities, 2005.
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