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.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Chawla, Mukesh, Gordon Betcherman, và Arup Banerji. From Red to Gray: The "Third Transition" of Aging Populations in Eastern Europe and the Former Soviet Union. Washington D.C.: World Bank, 2007.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)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.