Vittas, D. (2002). Policies to promote saving for retirement: A synthetic overview. World Bank.
Cita Chicago (17th ed.)Vittas, Dimitri. Policies to Promote Saving for Retirement: A Synthetic Overview. Washington, D.C: World Bank, 2002.
Cita MLA (9th ed.)Vittas, Dimitri. Policies to Promote Saving for Retirement: A Synthetic Overview. World Bank, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.