World Health Organization International Water Association, Al Dufour, & Organisation for Economic Co-operation and Development. (2003). Assessing microbial safety of drinking water: Improving approaches and methods. London: IWA Publishing.
Chicago Style CitationWorld Health Organization International Water Association, Al Dufour, and Organisation for Economic Co-operation and Development. Assessing Microbial Safety of Drinking Water: Improving Approaches and Methods. London: IWA Publishing, 2003.
MLA CitationWorld Health Organization International Water Association, Al Dufour, and Organisation for Economic Co-operation and Development. Assessing Microbial Safety of Drinking Water: Improving Approaches and Methods. London: IWA Publishing, 2003.