Dyfyniad APA
Sawyer, C. N., & McCarty, P. L. (2003). Chemistry for environmental engineering and science (5th ed.). Tata McGraw-Hill.
Dyfyniad Arddull Chicago
Sawyer, Clair N., and Perry L/Parkin McCarty. Chemistry for Environmental Engineering and Science. 5th ed. New Delhi: Tata McGraw-Hill, 2003.
Dyfyniad MLA
Sawyer, Clair N., and Perry L/Parkin McCarty. Chemistry for Environmental Engineering and Science. 5th ed. Tata McGraw-Hill, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.