Mason, C. F. (1996). Biology of freshwater pollution (Third edition.). Longmans.
Cita Chicago (17th ed.)Mason, C. F. Biology of Freshwater Pollution. Third edition. Essex: Longmans, 1996.
Cita MLA (9th ed.)Mason, C. F. Biology of Freshwater Pollution. Third edition. Longmans, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.