Não informado. (1930). Monthly bulletin of the Indiana State Board of Health. Indiana State Board of Health.
Chicago (17e ed.) BronvermeldingNão informado. Monthly Bulletin of the Indiana State Board of Health. Indianapolis, Ind: Indiana State Board of Health, 1930.
MLA (8e ed.) BronvermeldingNão informado. Monthly Bulletin of the Indiana State Board of Health. Indiana State Board of Health, 1930.
Let op: Deze citaties zijn niet altijd 100% accuraat.