Ma, W., Vincent, A. L., Gramer, M. R., Brockwell, C. B., Lager, K. M., Janke, B. H., . . . Richt, J. A. (2007). Identification of H2N3 influenza A viruses from swine in the United States. National Academy of Sciences.
Čikaški stil citiranjaMa, Wenjun, et al. Identification of H2N3 Influenza A Viruses From Swine in the United States. National Academy of Sciences, 2007.
MLA način citiranjaMa, Wenjun, et al. Identification of H2N3 Influenza A Viruses From Swine in the United States. National Academy of Sciences, 2007.
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