World Health Organization. (2014). Infection prevention and control of epidemic- and pandemic-prone acute respiratory infections in health care: WHO guidelines. World Health Organization.
Cita Chicago Style (17a ed.)World Health Organization. Infection Prevention and Control of Epidemic- and Pandemic-prone Acute Respiratory Infections in Health Care: WHO Guidelines. Geneva: World Health Organization, 2014.
Cita MLA (9a ed.)World Health Organization. Infection Prevention and Control of Epidemic- and Pandemic-prone Acute Respiratory Infections in Health Care: WHO Guidelines. World Health Organization, 2014.
Precaución: Estas citas no son 100% exactas.