Popek, E. P. (2003). Sampling and analysis of environmental chemical pollutants: A complete guide. Academic Press.
Chicago-tyylinen lähdeviittausPopek, Emma P. Sampling and Analysis of Environmental Chemical Pollutants: A Complete Guide. San Diego: Academic Press, 2003.
MLA-viitePopek, Emma P. Sampling and Analysis of Environmental Chemical Pollutants: A Complete Guide. Academic Press, 2003.
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