Dyfyniad APA

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.

Dyfyniad Arddull Chicago

ebrary, Inc, National Bureau of Economic Research Conference on the Economics of Aging, and David A. Wise. Issues in the Economics of Aging. Chicago: University of Chicago Press, 1990.

Dyfyniad MLA

ebrary, Inc, et al. Issues in the Economics of Aging. University of Chicago Press, 1990.

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