HHS (Department of Health and Human Services). 2012. Administration on Aging: Justification of Estimates for Appropriations Committee, Fiscal Year 2013. Washington, DC: HHS. http://www.aoa.gov/aoaroot/about/Budget/DOCS/FY_2013_AoA_CJ_Feb_2012.pdf (accessed February 14, 2012).
NCHS (National Center for Health Statistics). 2011. Health, United States, 2010: With Special Feature on Death and Dying. Hyattsville, MD: CDC/NCHS. http://www.cdc.gov/nchs/data/hus/hus10.pdf#022 (accessed December 12, 2011).
United Nations Department of Economic and Social Affairs, Population Division. 2010. World Population Ageing 2009. New York: United Nations Department of Economic and Social Affairs, Population Division.
U.S. Census Bureau. 2011. Age and Sex Composition: 2010. Washington, DC: U.S. Census Bureau. http://www.census.gov/prod/cen2010/briefs/c2010br-03.pdf (accessed December 12, 2011).
Walker, E. L. 2011. The aging landscape in the community setting. Presented at the Institute of Medicine Workshop on Nutrition and Healthy Aging in the Community. Washington DC, October 5–6.
Ziliak, J., and C. Gundersen. 2011. Food Insecurity Among Older Adults: Policy Brief. Washington, DC: AARP. http://drivetoendhunger.org/downloads/AARP_Hunger_Brief.pdf (accessed November 15, 2011).