Sawyer, C. N., & McCarty, P. L. (1978). Chemistry for environmental engineering. McGraw-Hill.
Cita Chicago (17th ed.)Sawyer, Clair N., i Perry L. McCarty. Chemistry for Environmental Engineering. New York: McGraw-Hill, 1978.
Cita MLA (9th ed.)Sawyer, Clair N., i Perry L. McCarty. Chemistry for Environmental Engineering. McGraw-Hill, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.