Dyfyniad APA

Poon, L., Guan, Y., Nicholls, J., Yuen, K., & Peiris, J. (2004). The aetiology, origins, and diagnosis of severe acute respiratory syndrome. Lancet Infect Dis.

Dyfyniad Arddull Chicago

Poon, LLM, Y. Guan, JM Nicholls, KY Yuen, and JSM Peiris. "The Aetiology, Origins, and Diagnosis of Severe Acute Respiratory Syndrome." Lancet Infect Dis 2004.

Dyfyniad MLA

Poon, LLM, et al. "The Aetiology, Origins, and Diagnosis of Severe Acute Respiratory Syndrome." Lancet Infect Dis 2004.

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