Dyfyniad APA

Bragg, G. M. [., & Strauss, W. [. (1981). Air pollution control. John Wiley and Sons.

Dyfyniad Arddull Chicago

Bragg, Gordon M. [ed.], and Werner [ed.] Strauss. Air Pollution Control. New York: John Wiley and Sons, 1981.

Dyfyniad MLA

Bragg, Gordon M. [ed.], and Werner [ed.] Strauss. Air Pollution Control. John Wiley and Sons, 1981.

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