World Health Organization. (2008). World health organization outbreak communication planning guide. World Health Organization.
Citazione stile Chigago Style (17a edizione)World Health Organization. World Health Organization Outbreak Communication Planning Guide. Geneva: World Health Organization, 2008.
Citatione MLA (8a ed.)World Health Organization. World Health Organization Outbreak Communication Planning Guide. World Health Organization, 2008.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.