- U.S. Department of Laborwww.dol.gov
- U.S. Bureau of Labor Statisticswww.bls.gov
- American Staffing Associationwww.americanstaffing.net
- Inc.com: Motivating Employeeswww.inc.com
- National Institutes of Healthwww.health.nih.gov
- International Council of Nurseswww.icn.ch
- American Health Care Associationwww.ahcancal.org
