Barker, D., Cooper, C., & Rose, G. (1998). Epidemiology in medical practice (5th ed.). Churchill Livingstone.
Cita Chicago Style (17a ed.)Barker, D.J.P, C. Cooper, y Geoffrey Rose. Epidemiology in Medical Practice. 5th ed. New York, [etc.]: Churchill Livingstone, 1998.
Cita MLA (9a ed.)Barker, D.J.P, et al. Epidemiology in Medical Practice. 5th ed. Churchill Livingstone, 1998.
Precaución: Estas citas no son 100% exactas.