Smith, P. G., & Scott, J. S. (2005). Dictionary of water and waste management (2nd ed.). Elsevier Butterworth-Heinemann.
Dyfyniad Arddull ChicagoSmith, Paul G., and John S. Scott. Dictionary of Water and Waste Management. 2nd ed. Amsterdam: Elsevier Butterworth-Heinemann, 2005.
Dyfyniad MLASmith, Paul G., and John S. Scott. Dictionary of Water and Waste Management. 2nd ed. Elsevier Butterworth-Heinemann, 2005.
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