Mitchell, O. S. (1993). As the workforce ages: Costs, benefits, and policy challenges. ILR Press.
Chicago-referens (17:e uppl.)Mitchell, Olivia S. As the Workforce Ages: Costs, Benefits, and Policy Challenges. Ithaca, N.Y: ILR Press, 1993.
MLA-referens (9:e uppl.)Mitchell, Olivia S. As the Workforce Ages: Costs, Benefits, and Policy Challenges. ILR Press, 1993.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.