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.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)ebrary, Inc, National Bureau of Economic Research Conference on the Economics of Aging, ба David A. Wise. Issues in the Economics of Aging. Chicago: University of Chicago Press, 1990.
MLA -ийн эшлэл (9 дэх хэвлэлт)ebrary, Inc, et al. Issues in the Economics of Aging. University of Chicago Press, 1990.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.