Oksanen, H., Ballabriga, F., Valles, J., & European Commission : Directorate-General for Economic and Financial Affairs. (2002). Pension reforms: Key issues illustrated with an actuarial model. Brussels ; Belgium: European Commission: Directorate-General for Economic and Financial Affairs.
Παραπομπή Chicago StyleOksanen, Heikki., Fernando Ballabriga, Javier Valles, and European Commission : Directorate-General for Economic and Financial Affairs. Pension Reforms: Key Issues Illustrated With an Actuarial Model. Brussels ; Belgium: European Commission: Directorate-General for Economic and Financial Affairs, 2002.
Παραπομπή MLAOksanen, Heikki., Fernando Ballabriga, Javier Valles, and European Commission : Directorate-General for Economic and Financial Affairs. Pension Reforms: Key Issues Illustrated With an Actuarial Model. Brussels ; Belgium: European Commission: Directorate-General for Economic and Financial Affairs, 2002.