Citazione Stile APA (7a Edizione)

Vittas, D. (1993). Options for pension reform in Tunisia. Financial Sector Development Department, World Bank.

Citazione stile Chigago Style (17a edizione)

Vittas, Dimitri. Options for Pension Reform in Tunisia. Washington, D.C: Financial Sector Development Department, World Bank, 1993.

Citatione MLA (9a ed.)

Vittas, Dimitri. Options for Pension Reform in Tunisia. Financial Sector Development Department, World Bank, 1993.