World Health Organization. (2009). Application of epidemiological principles for Public health action. World Health Organization.
Citazione stile Chigago Style (17a edizione)World Health Organization. Application of Epidemiological Principles for Public Health Action. New Delhi: World Health Organization, 2009.
Citatione MLA (8a ed.)World Health Organization. Application of Epidemiological Principles for Public Health Action. World Health Organization, 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.