Yang, P., Duan, W., Lv, M., Shi, W., Peng, X., Wang, X., . . . Wang, Q. (2009). Review of an Influenza Surveillance System, Beijing, People’s Republic of China. Centers for Disease Control and Prevention.
Chicago-tyylinen lähdeviittausYang, Peng, et al. Review of an Influenza Surveillance System, Beijing, People’s Republic of China. Centers for Disease Control and Prevention, 2009.
MLA-viiteYang, Peng, et al. Review of an Influenza Surveillance System, Beijing, People’s Republic of China. Centers for Disease Control and Prevention, 2009.
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