Dyfyniad APA

Ross, R. D. (1972). Air pollution and industry. Van Nostrand Reinhold Company.

Dyfyniad Arddull Chicago

Ross, Richard D. Air Pollution and Industry. New York: Van Nostrand Reinhold Company, 1972.

Dyfyniad MLA

Ross, Richard D. Air Pollution and Industry. Van Nostrand Reinhold Company, 1972.

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