Dyfyniad APA

Williams, J., & Michael E. (1979). Introduction to marine pollution control. John wiley.

Dyfyniad Arddull Chicago

Williams, Jerome, and Michael E. Introduction to Marine Pollution Control. New york: John wiley, 1979.

Dyfyniad MLA

Williams, Jerome, and Michael E. Introduction to Marine Pollution Control. John wiley, 1979.

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