Dyfyniad APA
Eckenfelder, W. W. (2000). Industrial Water Pollution Control (3rd ed.). McGraw-Hill Education.
Dyfyniad Arddull Chicago
Eckenfelder, W. Wesley. Industrial Water Pollution Control. 3rd ed. New Delhi: McGraw-Hill Education, 2000.
Dyfyniad MLA
Eckenfelder, W. Wesley. Industrial Water Pollution Control. 3rd ed. McGraw-Hill Education, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.