Silver Book Fact
Administration on Aging. A Profile of Older Americans: 2007. Washington, DC: US Department of Health and Human Services; 2008. http://www.aoa.acl.gov/Aging_Statistics/Profile/2007/docs/2007profile.pdf
Administration on Aging. A Profile of Older Americans: 2007. Washington, DC: US Department of Health and Human Services; 2008. http://www.aoa.acl.gov/Aging_Statistics/Profile/2007/docs/2007profile.pdf