Norell, S. E. (1992). A Short Course in Epidemiology. Raven Press.
Cita Chicago Style (17a ed.)Norell, Staffan E. A Short Course in Epidemiology. New York: Raven Press, 1992.
Cita MLA (9a ed.)Norell, Staffan E. A Short Course in Epidemiology. Raven Press, 1992.
Precaución: Estas citas no son 100% exactas.