(1989). Standard Methods for the Examination of Water and Wastewater: 17th edition. Washington: APHA.
Styl ChicagoStandard Methods for the Examination of Water and Wastewater: 17th Edition. Washington: APHA, 1989.
Citace podle MLAStandard Methods for the Examination of Water and Wastewater: 17th Edition. Washington: APHA, 1989.
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