Não informado. (2014). Monthly Bulletin of the Department of Health in the City of New York. Department of Health.
Chicago (17e ed.) BronvermeldingNão informado. Monthly Bulletin of the Department of Health in the City of New York. New York: Department of Health, 2014.
MLA (8e ed.) BronvermeldingNão informado. Monthly Bulletin of the Department of Health in the City of New York. Department of Health, 2014.
Let op: Deze citaties zijn niet altijd 100% accuraat.