Crites, R. W., Middlebrooks, E. J., Bastian, R. K., & Reed, S. C. (2014). Natural wastewater treatment systems (Second edition.). CRC Press IWA Publishing.
Chicago-viite (17. p.)Crites, Ronald W., E. Joe Middlebrooks, Robert K. Bastian, ja Sherwood C. Reed. Natural Wastewater Treatment Systems. Second edition. Boca Raton, FL: CRC Press IWA Publishing, 2014.
MLA-viite (9. p.)Crites, Ronald W., et al. Natural Wastewater Treatment Systems. Second edition. CRC Press IWA Publishing, 2014.
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