- U.S. Department of Laborwww.dol.gov
- American Staffing Associationwww.americanstaffing.net
- American Health Care Associationwww.ahcancal.org
- Mind Tools: Finding Career Direction www.mindtools.com/pages/article/newCDV_97.htm
- Inc.com: Motivating Employeeswww.inc.com/guides/hr/20776.html
