Centers for Disease Control and Prevention (U.S.)\nCenters for Disease Control and Prevention (U.S.). Epidemiology Program Office. (1999). Morbidity and Mortality Weekly Report. U.S. Department of Health and Human Services, Public Health Service.
Chicago-referens (17:e uppl.)Centers for Disease Control and Prevention (U.S.)\nCenters for Disease Control and Prevention (U.S.). Epidemiology Program Office. Morbidity and Mortality Weekly Report. Atlanta, Ga: U.S. Department of Health and Human Services, Public Health Service, 1999.
MLA-referens (8:e uppl.)Centers for Disease Control and Prevention (U.S.)\nCenters for Disease Control and Prevention (U.S.). Epidemiology Program Office. Morbidity and Mortality Weekly Report. U.S. Department of Health and Human Services, Public Health Service, 1999.