Valanis, B. (1999). Epidemiology in health care (3rd ed.). Appleton & Lange.
Cita Chicago Style (17a ed.)Valanis, Barbara. Epidemiology in Health Care. 3rd ed. Stamford, Conn.: Appleton & Lange, 1999.
Cita MLA (9a ed.)Valanis, Barbara. Epidemiology in Health Care. 3rd ed. Appleton & Lange, 1999.
Precaución: Estas citas no son 100% exactas.