Ortiz, J. R., Sotomayor, V., Uez, O. C., Oliva, O., Bettels, D., McCarron, M., . . . Mounts, A. W. (2009). Strategy to Enhance Influenza Surveillance Worldwide. Centers for Disease Control and Prevention.
Chicago-čujuhus (17. p.)Ortiz, Justin R., Viviana Sotomayor, Osvaldo C. Uez, Otavio Oliva, Deborah Bettels, Margaret McCarron, Joseph S. Bresee, juo Anthony W. Mounts. Strategy to Enhance Influenza Surveillance Worldwide. Centers for Disease Control and Prevention, 2009.
MLA-čujuhus (9. p.)Ortiz, Justin R., et al. Strategy to Enhance Influenza Surveillance Worldwide. Centers for Disease Control and Prevention, 2009.
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