Masters, G. M. (1998). Introduction to environmental engineering and science (2nd ed.). Upper Saddle River NJ: Prentice Hall.
शिकागो स्टाइल उद्धरणMasters, Gilbeert M. Introduction to Environmental Engineering and Science. 2nd ed. Upper Saddle River NJ: Prentice Hall, 1998.
एमएलए उद्धरणMasters, Gilbeert M. Introduction to Environmental Engineering and Science. 2nd ed. Upper Saddle River NJ: Prentice Hall, 1998.
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