Não informado. (1936). Child. Childrens Bureau, Department of Health, Education and Welfare.
Citace podle Chicago (17th ed.)Não informado. Child. Washington: Childrens Bureau, Department of Health, Education and Welfare, 1936.
Citace podle MLA (8th ed.)Não informado. Child. Childrens Bureau, Department of Health, Education and Welfare, 1936.
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