National Industrial Fuel Efficiency Service. Consulting Group. (1989). Boiler operators handbook / prepared by the NIFES Consulting Group (National Industrial Fuel Efficiency Service Ltd.) (2nd ed.). Graham & Trotman.
Chicago Style (17th ed.) CitationNational Industrial Fuel Efficiency Service. Consulting Group. Boiler Operators Handbook / Prepared by the NIFES Consulting Group (National Industrial Fuel Efficiency Service Ltd.). 2nd ed. London: Graham & Trotman, 1989.
MLA (9th ed.) CitationNational Industrial Fuel Efficiency Service. Consulting Group. Boiler Operators Handbook / Prepared by the NIFES Consulting Group (National Industrial Fuel Efficiency Service Ltd.). 2nd ed. Graham & Trotman, 1989.
Warning: These citations may not always be 100% accurate.