De Weerdt, E. A. H. (1935). Five years of child welfare under the children's code in Wisconsin, 1929-1934. Wisconsin Conference of Social Work.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDe Weerdt, Esther Amelia Hurley. Five Years of Child Welfare Under the Children's Code in Wisconsin, 1929-1934. Madison, Wis.: Wisconsin Conference of Social Work, 1935.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDe Weerdt, Esther Amelia Hurley. Five Years of Child Welfare Under the Children's Code in Wisconsin, 1929-1934. Wisconsin Conference of Social Work, 1935.
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