Não informado. (1973). Foodborne and Waterborne Disease Outbreaks. Center for Disease Control.
Chicago (17e ed.) BronvermeldingNão informado. Foodborne and Waterborne Disease Outbreaks. Atlanta, Ga: Center for Disease Control, 1973.
MLA (8e ed.) BronvermeldingNão informado. Foodborne and Waterborne Disease Outbreaks. Center for Disease Control, 1973.
Let op: Deze citaties zijn niet altijd 100% accuraat.