(1935). The social worker in the prevention and treatment of delinquency, by Margaretta Williamson.
Chicago-referens (17:e uppl.)The Social Worker in the Prevention and Treatment of Delinquency, by Margaretta Williamson. 1935.
MLA-referens (9:e uppl.)The Social Worker in the Prevention and Treatment of Delinquency, by Margaretta Williamson. 1935.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.