United States. Congress. Senate. Special Committee on Aging, American Association of Retired Persons, Federal Council on the Aging (U.S.), & U.S. Administration on Aging. (1991). Aging America: Trends and projections : 1991 edition (1991 edition.). U.S. Department of Health and Human Sevices.
Style de citation Chicago (17e éd.)United States. Congress. Senate. Special Committee on Aging, American Association of Retired Persons, Federal Council on the Aging (U.S.), et U.S. Administration on Aging. Aging America: Trends and Projections : 1991 Edition. 1991 edition. Washington: U.S. Department of Health and Human Sevices, 1991.
Style de citation MLA (9e éd.)United States. Congress. Senate. Special Committee on Aging, et al. Aging America: Trends and Projections : 1991 Edition. 1991 edition. U.S. Department of Health and Human Sevices, 1991.