European Commission. (1996). 79/113/EEC, Council directive of 19 December 1978 on the approximation of the laws of the member states relating to the determination of the noise emission of construction plant and equipment: Provisional, unrevised texts : 9 languages. Luxembourg: Office for Official Publications of the European Communities.

European Commission. 79/113/EEC, Council Directive of 19 December 1978 On the Approximation of the Laws of the Member States Relating to the Determination of the Noise Emission of Construction Plant and Equipment: Provisional, Unrevised Texts : 9 Languages. Luxembourg: Office for Official Publications of the European Communities, 1996.

European Commission. 79/113/EEC, Council Directive of 19 December 1978 On the Approximation of the Laws of the Member States Relating to the Determination of the Noise Emission of Construction Plant and Equipment: Provisional, Unrevised Texts : 9 Languages. Luxembourg: Office for Official Publications of the European Communities, 1996.