1. Committee on the Future Health Care Workforce for Older Americans; Institute of Medicine. (2008). Retooling for an aging America: Building the health care workforce. Washington, DC: National Academies Press.
2. National Alliance for Caregiving & AARP. (2004). Caregiving in the U.S. Bethesda, MD: National Alliance for Caregiving; Retrieved April 2004 from http://www.caregiving.org/data/04finalreport.pdf
3. Thompson, L. (2004). Long-term care: Support for family caregivers. Washington, DC: Long-Term Care Financing Project, Georgetown University. Retrieved March 2004 from http://ltc.georgetown.edu/pdfs/caregivers.pdf