Cita APA (7th ed.)
World Health Organization. Global Influenza Programme & ebrary, Inc. (2009). Pandemic influenza preparedness and response: A WHO guidance document. World Health Organization.
Cita Chicago (17th ed.)
World Health Organization. Global Influenza Programme i Inc ebrary. Pandemic Influenza Preparedness and Response: A WHO Guidance Document. Geneva: World Health Organization, 2009.
Cita MLA (9th ed.)
World Health Organization. Global Influenza Programme i Inc ebrary. Pandemic Influenza Preparedness and Response: A WHO Guidance Document. World Health Organization, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.