Norell, S. (1991). A short course in epidemiology. Raven Press.
Cita Chicago Style (17a ed.)Norell, Staffan. A Short Course in Epidemiology. New York: Raven Press, 1991.
Cita MLA (9a ed.)Norell, Staffan. A Short Course in Epidemiology. Raven Press, 1991.
Precaución: Estas citas no son 100% exactas.