Citazione Stile APA (7a Edizione)
World Health Organization. (2014). Progress on sanitation and drinking-water: 2014 update. World Health Organization.
Citazione stile Chigago Style (17a edizione)
World Health Organization. Progress on Sanitation and Drinking-water: 2014 Update. Geneva, Switzerland: World Health Organization, 2014.
Citatione MLA (9a ed.)
World Health Organization. Progress on Sanitation and Drinking-water: 2014 Update. World Health Organization, 2014.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.