APA-čujuhus (7. p.)
Chawla, M., Betcherman, G., & Banerji, A. (2007). From red to gray: The third transition of aging populations in Eastern Europe and the former Soviet Union. World Bank.
Chicago-čujuhus (17. p.)
Chawla, Mukesh, Gordon Betcherman, juo Arup Banerji. From Red to Gray: The Third Transition of Aging Populations in Eastern Europe and the Former Soviet Union. Washington DC: World Bank, 2007.
MLA-čujuhus (9. p.)
Chawla, Mukesh, et al. From Red to Gray: The Third Transition of Aging Populations in Eastern Europe and the Former Soviet Union. World Bank, 2007.
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