Dyfyniad APA

Young-Xu, Y., van Aalst, R., Russo, E., Lee, J. K. H., & Chit, A. (2017). The Annual Burden of Seasonal Influenza in the US Veterans Affairs Population. PLoS One.

Dyfyniad Arddull Chicago

Young-Xu, Yinong, Robertus van Aalst, Ellyn Russo, Jason K. H. Lee, and Ayman Chit. "The Annual Burden of Seasonal Influenza in the US Veterans Affairs Population." PLoS One 2017.

Dyfyniad MLA

Young-Xu, Yinong, et al. "The Annual Burden of Seasonal Influenza in the US Veterans Affairs Population." PLoS One 2017.

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