Παραπομπή APA
(1998). Economic evaluation of air quality targets for sulphur dioxide, nitrogen dioxide, fine and suspended particulate matter and lead. Luxembourg: Office for Official Publications of the European Communities.
Παραπομπή Chicago StyleEconomic Evaluation of Air Quality Targets for Sulphur Dioxide, Nitrogen Dioxide, Fine and Suspended Particulate Matter and Lead. Luxembourg: Office for Official Publications of the European Communities, 1998.
Παραπομπή MLAEconomic Evaluation of Air Quality Targets for Sulphur Dioxide, Nitrogen Dioxide, Fine and Suspended Particulate Matter and Lead. Luxembourg: Office for Official Publications of the European Communities, 1998.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.