World Health Organization. (2009). Application of epidemiological principles for Public health action. World Health Organization.
Citación estilo ChicagoWorld Health Organization. Application of Epidemiological Principles for Public Health Action. New Delhi: World Health Organization, 2009.
Cita MLAWorld Health Organization. Application of Epidemiological Principles for Public Health Action. World Health Organization, 2009.
Warning: These citations may not always be 100% accurate.