World Health Organization. (2009). Application of epidemiological principles for Public health action. World Health Organization.
Chicago-referens (17:e uppl.)World Health Organization. Application of Epidemiological Principles for Public Health Action. New Delhi: World Health Organization, 2009.
MLA-referens (8:e uppl.)World Health Organization. Application of Epidemiological Principles for Public Health Action. World Health Organization, 2009.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.