Dyfyniad APA

Ross , R. .. D. (1972). Air pollution and industry. Van nostrand reinhod company.

Dyfyniad Arddull Chicago

Ross , R . D. Air Pollution and Industry. New York: Van nostrand reinhod company, 1972.

Dyfyniad MLA

Ross , R . D. Air Pollution and Industry. Van nostrand reinhod company, 1972.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.