Jekel, J. F. K. (2007). Epidemiology biostatistics, and preventive medicine (3rd. ed.). Saunders Elsevier.
Cita Chicago Style (17a ed.)Jekel, James F. Katz. Epidemiology Biostatistics, and Preventive Medicine. 3rd. ed. Philadelphia: Saunders Elsevier, 2007.
Cita MLA (8a ed.)Jekel, James F. Katz. Epidemiology Biostatistics, and Preventive Medicine. 3rd. ed. Saunders Elsevier, 2007.
Precaución: Estas citas no son 100% exactas.