Tohutoro APA (7th ed.)
Hartley, K. (2013). Tuning biological nutrient removal plants. IWA Publishing.
Tohutoru Kātū Chicago (17th ed.)
Hartley, Ken. Tuning Biological Nutrient Removal Plants. London: IWA Publishing, 2013.
Tohutoro MLA (9th ed.)
Hartley, Ken. Tuning Biological Nutrient Removal Plants. IWA Publishing, 2013.
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