(2012). Progress on drinking water and sanitation. UNICEF and World Health Organization.
Lua i Stíl Chicago (17ú heag.)Progress on Drinking Water and Sanitation. New York: UNICEF and World Health Organization, 2012.
Lua MLA (8ú heag.)Progress on Drinking Water and Sanitation. UNICEF and World Health Organization, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.