American Public Health Association, A. W. W. A. (1999). Standard Methods for the Examination of Water and Wastewater. US.
Trích dẫn kiểu ChicagoAmerican Public Health Association, American Water Works Association. Standard Methods for the Examination of Water and Wastewater. US, 1999.
MLA CitationAmerican Public Health Association, American Water Works Association. Standard Methods for the Examination of Water and Wastewater. US, 1999.
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