ECOTEC Research & Consulting Ltd & European Centre for the Development of Vocational Training. (1991). Occupational and qualification structures in the field of environmental protection in the metal and chemical industries in the United Kingdom / ECOTEC Research & Consulting Ltd. CEDEFOP.
Chicago Style (17th ed.) CitationECOTEC Research & Consulting Ltd and European Centre for the Development of Vocational Training. Occupational and Qualification Structures in the Field of Environmental Protection in the Metal and Chemical Industries in the United Kingdom / ECOTEC Research & Consulting Ltd. Berlin: CEDEFOP, 1991.
MLA (9th ed.) CitationECOTEC Research & Consulting Ltd and European Centre for the Development of Vocational Training. Occupational and Qualification Structures in the Field of Environmental Protection in the Metal and Chemical Industries in the United Kingdom / ECOTEC Research & Consulting Ltd. CEDEFOP, 1991.