Vesilind, P. A. (2004). Introduction to environmental engineering (2nd ed.). Belmont, CA: Thomson/Brook/Cole.
शिकागो स्टाइल उद्धरणVesilind, P. Aarne. Introduction to Environmental Engineering. 2nd ed. Belmont, CA: Thomson/Brook/Cole, 2004.
एमएलए उद्धरणVesilind, P. Aarne. Introduction to Environmental Engineering. 2nd ed. Belmont, CA: Thomson/Brook/Cole, 2004.
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