Não informado. (1994). Social work abstracts. National Association of Social Workers.
Chicago-referens (17:e uppl.)Não informado. Social Work Abstracts. Washington: National Association of Social Workers, 1994.
MLA-referens (8:e uppl.)Não informado. Social Work Abstracts. National Association of Social Workers, 1994.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.