Tohutoro APA (7th ed.)
Standard methods for the examination of water and sewage (9a edición.). American Public Health Association.
Tohutoru Kātū Chicago (17th ed.)
Standard Methods for the Examination of Water and Sewage. 9a edición. Nueva York, EUA: American Public Health Association.
Tohutoro MLA (9th ed.)
Standard Methods for the Examination of Water and Sewage. 9a edición. American Public Health Association.
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