Não informado. (1936). Child. Childrens Bureau, Department of Health, Education and Welfare.
Style de citation Chicago (17e éd.)Não informado. Child. Washington: Childrens Bureau, Department of Health, Education and Welfare, 1936.
Style de citation MLA (8e éd.)Não informado. Child. Childrens Bureau, Department of Health, Education and Welfare, 1936.
Attention : ces citations peuvent ne pas être correctes à 100%.