Nelson, K. E., & Williams, C. M. (2014). Infectious disease epidemiology: Theory and practice (3rd ed.). Jones & Bartlett Learning.
Dyfyniad Arddull ChicagoNelson, Kenrad E., and Carolyn Masters Williams. Infectious Disease Epidemiology: Theory and Practice. 3rd ed. Burlington, Mass.: Jones & Bartlett Learning, 2014.
Dyfyniad MLANelson, Kenrad E., and Carolyn Masters Williams. Infectious Disease Epidemiology: Theory and Practice. 3rd ed. Jones & Bartlett Learning, 2014.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.