European Commission. (1996). 84/491/EEC, Council directive of 9 October 1984 on limit values and quality objectives for discharges of hexachlorocyclohexane: Provisional, unrevised texts : 9 languages. Luxembourg: Office for Official Publications of the European Communities.
Παραπομπή Chicago StyleEuropean Commission. 84/491/EEC, Council Directive of 9 October 1984 On Limit Values and Quality Objectives for Discharges of Hexachlorocyclohexane: Provisional, Unrevised Texts : 9 Languages. Luxembourg: Office for Official Publications of the European Communities, 1996.
Παραπομπή MLAEuropean Commission. 84/491/EEC, Council Directive of 9 October 1984 On Limit Values and Quality Objectives for Discharges of Hexachlorocyclohexane: Provisional, Unrevised Texts : 9 Languages. Luxembourg: Office for Official Publications of the European Communities, 1996.