Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (8a ed.)

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