Cita APA (7a ed.)

Agència Europea del Medi Ambient. (2008). Effectiveness of environmental taxes and charges for managing sand, gravel and rock extraction in selected EU countries. Office for Official Publications of the European Communities.

Cita Chicago Style (17a ed.)

Agència Europea del Medi Ambient. Effectiveness of Environmental Taxes and Charges for Managing Sand, Gravel and Rock Extraction in Selected EU Countries. Luxembourg: Office for Official Publications of the European Communities, 2008.

Cita MLA (9a ed.)

Agència Europea del Medi Ambient. Effectiveness of Environmental Taxes and Charges for Managing Sand, Gravel and Rock Extraction in Selected EU Countries. Office for Official Publications of the European Communities, 2008.