- U.S. Department of Laborwww.dol.gov
- U.S. Bureau of Labor Statisticswww.bls.gov
- American Staffing Associationwww.americanstaffing.net
- Nurse Licensure Compact (NLC)www.ncsbn.org
- Next Generation NCLEX (NGN)www.nclex.com
- Credentials Evaluation Service (CES)www.cgfns.org
