- International Council of Nurseswww.icn.ch
- U.S. Department of Laborwww.dol.gov
- U.S. Bureau of Labor Statisticswww.bls.gov
- American Staffing Associationamericanstaffing.net
- Pennsylvania Department of Labor & Industrywww.dli.pa.gov
- National Association of Health Care Assistantswww.nahcacna.org
- American Nurses Association: ANA Enterprisewww.nursingworld.org
