Cita APA (7th ed.)

Barr, N. A. (2002). The pension puzzle: Prerequisites and policy choices in pension design. International Monetary Fund.

Cita Chicago (17th ed.)

Barr, N. A. The Pension Puzzle: Prerequisites and Policy Choices in Pension Design. Washington, D.C: International Monetary Fund, 2002.

Cita MLA (9th ed.)

Barr, N. A. The Pension Puzzle: Prerequisites and Policy Choices in Pension Design. International Monetary Fund, 2002.

Atenció: Aquestes cites poden no estar 100% correctes.