European Commission. (1996). 80/68/EEC, Council directive of 17 December 1979 on the protection of groundwater against pollution caused by certain dangerous substances: Provisional, unrevised texts : 9 languages. Luxembourg: Office for Official Publications of the European Communities.
Παραπομπή Chicago StyleEuropean Commission. 80/68/EEC, Council Directive of 17 December 1979 On the Protection of Groundwater against Pollution Caused By Certain Dangerous Substances: Provisional, Unrevised Texts : 9 Languages. Luxembourg: Office for Official Publications of the European Communities, 1996.
Παραπομπή MLAEuropean Commission. 80/68/EEC, Council Directive of 17 December 1979 On the Protection of Groundwater against Pollution Caused By Certain Dangerous Substances: Provisional, Unrevised Texts : 9 Languages. Luxembourg: Office for Official Publications of the European Communities, 1996.