Baird, R. B. (2017). Standard methods: For the examination of water and wastewater (23rd ed.). American Public Health Association.
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Dyfyniad Arddull Chicago
Baird, Rodger B. Standard Methods: For the Examination of Water and Wastewater. 23rd ed. Washington: American Public Health Association, 2017.
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Dyfyniad MLA
Baird, Rodger B. Standard Methods: For the Examination of Water and Wastewater. 23rd ed. American Public Health Association, 2017.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.