European Centre for the Development of Vocational Training. (1992). Occupational and qualification structures in the field of environmental protection in the public sector with reference to air pollution control : United Kingdom / Ecotec Research and Consulting Ltd.: United Kingdom. Office for Official Publications of the European Communities.
Chicago Style (17th ed.) CitationEuropean Centre for the Development of Vocational Training. Occupational and Qualification Structures in the Field of Environmental Protection in the Public Sector with Reference to Air Pollution Control : United Kingdom / Ecotec Research and Consulting Ltd.: United Kingdom. Luxembourg: Office for Official Publications of the European Communities, 1992.
MLA (9th ed.) CitationEuropean Centre for the Development of Vocational Training. Occupational and Qualification Structures in the Field of Environmental Protection in the Public Sector with Reference to Air Pollution Control : United Kingdom / Ecotec Research and Consulting Ltd.: United Kingdom. Office for Official Publications of the European Communities, 1992.