Cita APA (7th ed.)
Hartley, K. (2013). Tuning biological nutrient removal plants. IWA Publishing.
Cita Chicago (17th ed.)
Hartley, Ken. Tuning Biological Nutrient Removal Plants. London: IWA Publishing, 2013.
Cita MLA (9th ed.)
Hartley, Ken. Tuning Biological Nutrient Removal Plants. IWA Publishing, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.