APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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