1. American Nurses Association. (1975). Guidelines for short-term continuing education programs preparing adult and family nurse practitioners. Kansas City MO: Author.
2. American Nurses Association. (1980). Nursing: A social policy statement. Kansas City MO: Author.
3. American Nurses Association. (1990). Professional certification: 1990 certification catalog. Kansas City MO: Author.
4. Billingsley M.C. (1986). The process study. Nurse Practitioner 11(1) 52 68.
5. Brower H.T. Tappen R.M. & Weber M.T. (1988). Missing links in nurse practitioner education. Nursing & Health Care 9(1) 33-36.