Não informado. (1936). Child. Childrens Bureau, Department of Health, Education and Welfare.
Chicago (17e ed.) BronvermeldingNão informado. Child. Washington: Childrens Bureau, Department of Health, Education and Welfare, 1936.
MLA (8e ed.) BronvermeldingNão informado. Child. Childrens Bureau, Department of Health, Education and Welfare, 1936.
Let op: Deze citaties zijn niet altijd 100% accuraat.