(1992). Standard methods for the examination of water and wastewater (18th ed.). Washington: American Public Health Association.
Styl ChicagoStandard Methods for the Examination of Water and Wastewater. 18th ed. Washington: American Public Health Association, 1992.
Citace podle MLAStandard Methods for the Examination of Water and Wastewater. 18th ed. Washington: American Public Health Association, 1992.
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