Hesketh, H. E. (1991). Air pollution control: Traditional and hazardous pollutants. Pennsylvania: Technomic Publishing Company.
शिकागो स्टाइल उद्धरणHesketh, Howard E. Air Pollution Control: Traditional and Hazardous Pollutants. Pennsylvania: Technomic Publishing Company, 1991.
एमएलए उद्धरणHesketh, Howard E. Air Pollution Control: Traditional and Hazardous Pollutants. Pennsylvania: Technomic Publishing Company, 1991.
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