Tohutoro APA (7th ed.)
Metcalf & Reddy. (2003). Wastewater engineering: Treatment and reuse (4th ed.). Tata McGraw-Hill.
Tohutoru Kātū Chicago (17th ed.)
Metcalf me Reddy. Wastewater Engineering: Treatment and Reuse. 4th ed. New Delhi: Tata McGraw-Hill, 2003.
Tohutoro MLA (9th ed.)
Metcalf me Reddy. Wastewater Engineering: Treatment and Reuse. 4th ed. Tata McGraw-Hill, 2003.
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