American Public Health Association, & American Water Works Association. (2012). Standard methods: For the examination of water and wastewater (22. ed.). Washington: American Public Health Association.
Citación estilo ChicagoAmerican Public Health Association, y American Water Works Association. Standard Methods: For the Examination of Water and Wastewater. 22. ed. Washington: American Public Health Association, 2012.
Cita MLAAmerican Public Health Association, y American Water Works Association. Standard Methods: For the Examination of Water and Wastewater. 22. ed. Washington: American Public Health Association, 2012.
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