Pollard, S. J. T., & Stephenson, T. (2016). Risk management for water and wastewater utilities (Second edition.). IWA Publishing.
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Chicago-čujuhus (17. p.)
Pollard, Simon J. T., juo Tom Stephenson. Risk Management for Water and Wastewater Utilities. Second edition. London, England: IWA Publishing, 2016.
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MLA-čujuhus (9. p.)
Pollard, Simon J. T., juo Tom Stephenson. Risk Management for Water and Wastewater Utilities. Second edition. IWA Publishing, 2016.
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