Cita APA (7th ed.)

World Health Organization. (2011). Manual for the laboratory diagnosis and virological surveillance of influenza. World Health Organization.

Cita Chicago (17th ed.)

World Health Organization. Manual for the Laboratory Diagnosis and Virological Surveillance of Influenza. Geneva, Switzerland: World Health Organization, 2011.

Cita MLA (8th ed.)

World Health Organization. Manual for the Laboratory Diagnosis and Virological Surveillance of Influenza. World Health Organization, 2011.