Citazione Stile APA (7a Edizione)
World Health Organization, ebrary, Inc, & Schmoll, O. (2006). Protecting groundwater for health: Managing the quality of drinking-water sources. IWA Pub..
Citazione stile Chigago Style (17a edizione)
World Health Organization, Inc ebrary, e Oliver Schmoll. Protecting Groundwater for Health: Managing the Quality of Drinking-water Sources. London: IWA Pub., 2006.
Citatione MLA (9a ed.)
World Health Organization, et al. Protecting Groundwater for Health: Managing the Quality of Drinking-water Sources. IWA Pub., 2006.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.