Friis, R. H., & Sellers, T. A. (2014). Epidemiology for public health practice (5th ed.). Jones & Bartlett Learning.
Cita Chicago Style (17a ed.)Friis, Robert H., y Thomas A. Sellers. Epidemiology for Public Health Practice. 5th ed. Burlington, Mass.: Jones & Bartlett Learning, 2014.
Cita MLA (8a ed.)Friis, Robert H., y Thomas A. Sellers. Epidemiology for Public Health Practice. 5th ed. Jones & Bartlett Learning, 2014.
Precaución: Estas citas no son 100% exactas.