Dyfyniad APA

Hesketh, H. E. (1991). Air pollution control: Traditional and hazardous pollutants. Pennsylvania: Technomic Publishing Company.

Dyfyniad Arddull Chicago

Hesketh, Howard E. Air Pollution Control: Traditional and Hazardous Pollutants. Pennsylvania: Technomic Publishing Company, 1991.

Dyfyniad MLA

Hesketh, Howard E. Air Pollution Control: Traditional and Hazardous Pollutants. Pennsylvania: Technomic Publishing Company, 1991.

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