APA-referens (7:e uppl.)
United States. Department of Labor. (1960). State laws regulating private employment agencies. U.S. Departm. of Labor.
Chicago-referens (17:e uppl.)
United States. Department of Labor. State Laws Regulating Private Employment Agencies. Washington: U.S. Departm. of Labor, 1960.
MLA-referens (9:e uppl.)
United States. Department of Labor. State Laws Regulating Private Employment Agencies. U.S. Departm. of Labor, 1960.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.