World Health Organization. (2009). Water safety plan manual: Step-by-step risk management for drinking-water suppliers. Geneva: World Health Organization.
Chicago Style CitationWorld Health Organization. Water Safety Plan Manual: Step-by-step Risk Management for Drinking-water Suppliers. Geneva: World Health Organization, 2009.
MLA CitationWorld Health Organization. Water Safety Plan Manual: Step-by-step Risk Management for Drinking-water Suppliers. Geneva: World Health Organization, 2009.
Warning: These citations may not always be 100% accurate.