Παραπομπή APA

Theil, H. (1965). Economic forecasts and policy/2e (2nd ed.). North Holland publishing company.

Παραπομπή Chicago Style

Theil, H. Economic Forecasts and Policy/2e. 2nd ed. Amsterdam: North Holland publishing company, 1965.

Παραπομπή MLA

Theil, H. Economic Forecasts and Policy/2e. 2nd ed. North Holland publishing company, 1965.