Παραπομπή APA
European Commission. (1997). 80/778/EEC, Council directive of 15 July 1980 relating to the quality of water intended for human consumption: 11 languages. Luxembourg: Office for Official Publications of the European Communities.
Παραπομπή Chicago StyleEuropean Commission. 80/778/EEC, Council Directive of 15 July 1980 Relating to the Quality of Water Intended for Human Consumption: 11 Languages. Luxembourg: Office for Official Publications of the European Communities, 1997.
Παραπομπή MLAEuropean Commission. 80/778/EEC, Council Directive of 15 July 1980 Relating to the Quality of Water Intended for Human Consumption: 11 Languages. Luxembourg: Office for Official Publications of the European Communities, 1997.
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