Dyfyniad APA

Yu, Z., Song, Y., Zhou, H., Xu, X., Hu, Q., Wu, H., . . . Jin, M. (2007). Avian Influenza (H5N1) Virus in Waterfowl and Chickens, Central China. Centers for Disease Control and Prevention.

Dyfyniad Arddull Chicago

Yu, Zhengjun, et al. Avian Influenza (H5N1) Virus in Waterfowl and Chickens, Central China. Centers for Disease Control and Prevention, 2007.

Dyfyniad MLA

Yu, Zhengjun, et al. Avian Influenza (H5N1) Virus in Waterfowl and Chickens, Central China. Centers for Disease Control and Prevention, 2007.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.