American Public Welfare Association. (1940). The Public welfare directory. American Public Welfare Association.
Chicago-referens (17:e uppl.)American Public Welfare Association. The Public Welfare Directory. Chicago, Ill.: American Public Welfare Association, 1940.
MLA-referens (8:e uppl.)American Public Welfare Association. The Public Welfare Directory. American Public Welfare Association, 1940.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.