Nelson, K. E., & Williams, C. M. (2007). Infectious disease epidemiology: Theory and practice. Jones and Bartlett Publishers.
Lua i Stíl Chicago (17ú heag.)Nelson, Kenrad E., agus Carolyn Masters Williams. Infectious Disease Epidemiology: Theory and Practice. Cambridge: Jones and Bartlett Publishers, 2007.
Lua MLA (9ú heag.)Nelson, Kenrad E., agus Carolyn Masters Williams. Infectious Disease Epidemiology: Theory and Practice. Jones and Bartlett Publishers, 2007.
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