Dyfyniad APA

Mac Berthouex , P., & Rudd , D. F. (1977). Strategy of pollution control. John wiley & sons.

Dyfyniad Arddull Chicago

Mac Berthouex , P., and Dale F. Rudd. Strategy of Pollution Control. New York: John wiley & sons, 1977.

Dyfyniad MLA

Mac Berthouex , P., and Dale F. Rudd. Strategy of Pollution Control. John wiley & sons, 1977.

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