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.
Chicago-referens (17:e uppl.)De 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.
MLA-referens (8:e uppl.)De Weerdt, Esther Amelia Hurley. Five Years of Child Welfare Under the Children's Code in Wisconsin, 1929-1934. Wisconsin Conference of Social Work, 1935.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.