1. Administration on Aging. (1999). Aging into the 21st Century. [On-LineJ. Available: http://www.aoa.dhhs.gov/aoa/stats/aging2 1 /preface html
2. Administration on Aging. (1998). Profile of Older Americans: 1998. [On-Line]. Available: http://www.aoa.gov/aoa/ STATS /profile/default.htm
3. Algase D. L. Kupferschmid B. BeeLBates C.A. & Beattie E.R. (1997). Estimates of stability of daily wandering behavior among cognitively impaired long-term care residents. Nursing Research 46(3) 172-178.
4. Axchbold P. & Stewart B. (1996). The nature of the family caregiving role and nursing interventions for caregiving families. In E. Swanson & T Tripp-Reimer (Eds.) Advances in gerontological nursing: Issues for the list century. New York: Springer Publishing Company.
5. Beauchamp T.L. & Childress J.F. (1994). Principles of Biomedical Ethics (4th ed). New York: Oxford University Press.