MacDonald, P. D. M. (2012). Methods in field epidemiology. Jones & Bartlett Learning ; APHA Press.
Dyfyniad Arddull ChicagoMacDonald, Pia D. M. Methods in Field Epidemiology. Burlington, MA : [Washington, D.C.]: Jones & Bartlett Learning ; APHA Press, 2012.
Dyfyniad MLAMacDonald, Pia D. M. Methods in Field Epidemiology. Jones & Bartlett Learning ; APHA Press, 2012.
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