Hammer, M. J. (1986). Water and waste water technology / 2nd ed (2nd ed.). Wiley.
शिकागो स्टाइल उद्धरणHammer, Mark J. Water and Waste Water Technology / 2nd Ed. 2nd ed. New York: Wiley, 1986.
एमएलए उद्धरणHammer, Mark J. Water and Waste Water Technology / 2nd Ed. 2nd ed. Wiley, 1986.
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