APA (7th ed.) Zitazioa

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 Style (17th ed.) Zitazioa

Chawla, Mukesh, Gordon Betcherman, eta 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.

MLA (9th ed.) Zitazioa

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.