Owens, W. (2013). National water sustainability: The WaterSmart program. Nova Science Publishers.
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Chicago-čujuhus (17. p.)
Owens, William. National Water Sustainability: The WaterSmart Program. New York, New York: Nova Science Publishers, 2013.
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MLA-čujuhus (9. p.)
Owens, William. National Water Sustainability: The WaterSmart Program. Nova Science Publishers, 2013.
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