Ntshoe, G. M., McAnerney, J. M., Tempia, S., Blumberg, L., Moyes, J., Buys, A., . . . Cohen, C. (2014). Influenza Epidemiology and Vaccine Effectiveness among Patients with Influenza-Like Illness, Viral Watch Sentinel Sites, South Africa, 2005–2009. Public Library of Science.
Chicago-tyylinen lähdeviittausNtshoe, Genevie M., et al. Influenza Epidemiology and Vaccine Effectiveness Among Patients With Influenza-Like Illness, Viral Watch Sentinel Sites, South Africa, 2005–2009. Public Library of Science, 2014.
MLA-viiteNtshoe, Genevie M., et al. Influenza Epidemiology and Vaccine Effectiveness Among Patients With Influenza-Like Illness, Viral Watch Sentinel Sites, South Africa, 2005–2009. Public Library of Science, 2014.
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