Não informado. (1965). Influenza-respiratory disease surveillance. Center for Disease Control.
Chicago (17e ed.) BronvermeldingNão informado. Influenza-respiratory Disease Surveillance. Atlanta, Ga: Center for Disease Control, 1965.
MLA (8e ed.) BronvermeldingNão informado. Influenza-respiratory Disease Surveillance. Center for Disease Control, 1965.
Let op: Deze citaties zijn niet altijd 100% accuraat.