ebrary, Inc, National Bureau of Economic Research Conference on the Economics of Aging, & Wise, D. A. (1990). Issues in the economics of aging. University of Chicago Press.
Chicago-referens (17:e uppl.)ebrary, Inc, National Bureau of Economic Research Conference on the Economics of Aging, och David A. Wise. Issues in the Economics of Aging. Chicago: University of Chicago Press, 1990.
MLA-referens (9:e uppl.)ebrary, Inc, et al. Issues in the Economics of Aging. University of Chicago Press, 1990.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.