Valdes, A., & Schaeffer, B. (1995). Surveillance of Agricultural Prices and Trade Policies: A Hangbook for Uruguay.
Cita Chicago (17th ed.)Valdes, Alberto, i Barry Schaeffer. Surveillance of Agricultural Prices and Trade Policies: A Hangbook for Uruguay. 1995.
Cita MLA (9th ed.)Valdes, Alberto, i Barry Schaeffer. Surveillance of Agricultural Prices and Trade Policies: A Hangbook for Uruguay. 1995.
Atenció: Aquestes cites poden no estar 100% correctes.