@book{10514,
	author = {World Health Organization.},
	title = {Guidelines for drinking-water quality.},
	publisher = {World Health Organization,},
	year = {c2011.},
	address = {Geneva :},
	edition = {4th ed.},
	url = {http://whqlibdoc.who.int/publications/2011/9789241548151%5Feng.pdf}
}