Não informado. (1936). Child. Childrens Bureau, Department of Health, Education and Welfare.
Chicagoスタイル(17版)引用形式Não informado. Child. Washington: Childrens Bureau, Department of Health, Education and Welfare, 1936.
MLA(8版)引用形式Não informado. Child. Childrens Bureau, Department of Health, Education and Welfare, 1936.
警告: この引用は必ずしも正確ではありません.