Riley, S., & Ferguson, N. M. (2006). Smallpox transmission and control: Spatial dynamics in Great Britain. National Academy of Sciences.
استشهاد بنمط شيكاغوRiley, Steven, و Neil M. Ferguson. Smallpox Transmission and Control: Spatial Dynamics in Great Britain. National Academy of Sciences, 2006.
MLA استشهادRiley, Steven, و Neil M. Ferguson. Smallpox Transmission and Control: Spatial Dynamics in Great Britain. National Academy of Sciences, 2006.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.