Παραπομπή APA
European Environment Agency. (2008). Effectiveness of environmental taxes and charges for managing sand, gravel and rock extraction in selected EU countries. Copenhagen: European Environment Agency.
Παραπομπή Chicago StyleEuropean Environment Agency. Effectiveness of Environmental Taxes and Charges for Managing Sand, Gravel and Rock Extraction in Selected EU Countries. Copenhagen: European Environment Agency, 2008.
Παραπομπή MLAEuropean Environment Agency. Effectiveness of Environmental Taxes and Charges for Managing Sand, Gravel and Rock Extraction in Selected EU Countries. Copenhagen: European Environment Agency, 2008.
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