Dyfyniad APA

Bethea, R. M. (1978). Air Pollution Conreol Rechnology, An Engineering Analysis Point of Vies. Van Norstrand Reinhold.

Dyfyniad Arddull Chicago

Bethea, Robert. M. Air Pollution Conreol Rechnology, An Engineering Analysis Point of Vies. New York: Van Norstrand Reinhold, 1978.

Dyfyniad MLA

Bethea, Robert. M. Air Pollution Conreol Rechnology, An Engineering Analysis Point of Vies. Van Norstrand Reinhold, 1978.

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