Norell, S. (1991). A short course in epidemiology. Raven Press.
Citación estilo ChicagoNorell, Staffan. A Short Course in Epidemiology. New York: Raven Press, 1991.
Cita MLANorell, Staffan. A Short Course in Epidemiology. Raven Press, 1991.
Warning: These citations may not always be 100% accurate.