Dyfyniad APA

Sawyer, C. N., & Mc Carty, P. L. P. (2003). Chemistry for environmental engineering and science. Tata McGraw-Hill.

Dyfyniad Arddull Chicago

Sawyer, Clair N., and Perry L. Parkin Mc Carty. Chemistry for Environmental Engineering and Science. New Delhi: Tata McGraw-Hill, 2003.

Dyfyniad MLA

Sawyer, Clair N., and Perry L. Parkin Mc Carty. Chemistry for Environmental Engineering and Science. Tata McGraw-Hill, 2003.

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