World Health Organization. 2003. Guidelines for safe recreational water environments: Volume 1, Coastal and fresh waters. Geneva: World Health Organization.
Citace podle APA (7th ed.)World Health Organization. (2003). Guidelines for safe recreational water environments: Volume 1, Coastal and fresh waters. World Health Organization.
Citace podle Chicago (17th ed.)World Health Organization. Guidelines for Safe Recreational Water Environments: Volume 1, Coastal and Fresh Waters. Geneva: World Health Organization, 2003.
Citace podle MLA (9th ed.)World Health Organization. Guidelines for Safe Recreational Water Environments: Volume 1, Coastal and Fresh Waters. World Health Organization, 2003.
