APA (7th ed.) Zitazioa
ebrary, Inc, & Cotlear, D. (2011). Population aging: Is Latin America ready? World Bank.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, eta D. Cotlear. Population Aging: Is Latin America Ready? Washington, DC: World Bank, 2011.
MLA (9th ed.) Zitazioa
ebrary, Inc, eta D. Cotlear. Population Aging: Is Latin America Ready? World Bank, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.