- U.S. Department of Laborwww.dol.gov
- U.S. Bureau of Labor Statisticswww.bls.gov
- Inc.com: Motivating Employeeswww.inc.com
- Mind Tools: Finding Career Directionwww.mindtools.com
- American Staffing Associationwww.americanstaffing.net
- National Institutes of Healthwww.dph.illinois.gov
