World Health Organization & International Water Association Environmental Protection Agency. (2012). Animal waste, water quality and human health. World Health Organization.
Chicago-Zitierstil (17. Ausg.)World Health Organization und International Water Association Environmental Protection Agency. Animal Waste, Water Quality and Human Health. London: World Health Organization, 2012.
MLA-Zitierstil (8. Ausg.)World Health Organization und International Water Association Environmental Protection Agency. Animal Waste, Water Quality and Human Health. World Health Organization, 2012.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.