Παραπομπή APA

Theil, H. (1971). Applied economic forecasting. North-Holland Publishing Company.

Παραπομπή Chicago Style

Theil, Henry. Applied Economic Forecasting. Amsterdam: North-Holland Publishing Company, 1971.

Παραπομπή MLA

Theil, Henry. Applied Economic Forecasting. North-Holland Publishing Company, 1971.