American Public Health Association, American Water Works Association, Water Environment Federation, Greenberg, A. E., Clesceri, L. S., & Eaton, A. D. (1992). Standard methods for the examination of water and wastewater (18th ed.). American Public Health Association.
Chicago-tyylinen lähdeviittausAmerican Public Health Association, American Water Works Association, Water Environment Federation, Arnold E. Greenberg, Lenore S. Clesceri, ja Andrew D. Eaton. Standard Methods for the Examination of Water and Wastewater. 18th ed. Washington, DC: American Public Health Association, 1992.
MLA-viiteAmerican Public Health Association, et al. Standard Methods for the Examination of Water and Wastewater. 18th ed. American Public Health Association, 1992.
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