Mara, D. (2003). The handbook water and wastewater microbiology. New York: Acedemic press.
शिकागो स्टाइल उद्धरणMara, Duncan. The Handbook Water and Wastewater Microbiology. New York: Acedemic press, 2003.
एमएलए उद्धरणMara, Duncan. The Handbook Water and Wastewater Microbiology. New York: Acedemic press, 2003.
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