Alley, E. R. (2007). Water quality control handbook (Second edition.). McGraw-Hill.
Cita Chicago (17th ed.)Alley, E. Roberts. Water Quality Control Handbook. Second edition. New York: McGraw-Hill, 2007.
Cita MLA (9th ed.)Alley, E. Roberts. Water Quality Control Handbook. Second edition. McGraw-Hill, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.