Παραπομπή APA
European Environment Agency., & Scheidleder, A. (1999). Groundwater quality and quantity in Europe. Luxembourg: Office for Official Publications of the European Communities.
Παραπομπή Chicago StyleEuropean Environment Agency., and A. Scheidleder. Groundwater Quality and Quantity in Europe. Luxembourg: Office for Official Publications of the European Communities, 1999.
Παραπομπή MLAEuropean Environment Agency., and A. Scheidleder. Groundwater Quality and Quantity in Europe. Luxembourg: Office for Official Publications of the European Communities, 1999.
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