Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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