Mitchell, O. S. (1993). As the workforce ages: Costs, benefits, and policy challenges. ILR Press.
Lua i Stíl Chicago (17ú heag.)Mitchell, Olivia S. As the Workforce Ages: Costs, Benefits, and Policy Challenges. Ithaca, N.Y: ILR Press, 1993.
Lua MLA (9ú heag.)Mitchell, Olivia S. As the Workforce Ages: Costs, Benefits, and Policy Challenges. ILR Press, 1993.
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