MacDonald, P. D. M. (2012). Methods in field epidemiology. Jones & Bartlett Learning ; APHA Press.
Cita Chicago (17th ed.)MacDonald, Pia D. M. Methods in Field Epidemiology. Burlington, MA : [Washington, D.C.]: Jones & Bartlett Learning ; APHA Press, 2012.
Cita MLA (8th ed.)MacDonald, Pia D. M. Methods in Field Epidemiology. Jones & Bartlett Learning ; APHA Press, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.