Merrill, R. M. (2010). Introduction to epidemiology (5th ed.). Jones and Bartlett.
Cita Chicago (17th ed.)Merrill, Ray M. Introduction to Epidemiology. 5th ed. Boston: Jones and Bartlett, 2010.
Cita MLA (9th ed.)Merrill, Ray M. Introduction to Epidemiology. 5th ed. Jones and Bartlett, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.