Valdes, A., & Schaeffer, B. (1995). Surveillance of Agricultural Prices and Trade Policies: A Hangbook for Uruguay.
Citazione stile Chigago Style (17a edizione)Valdes, Alberto, e Barry Schaeffer. Surveillance of Agricultural Prices and Trade Policies: A Hangbook for Uruguay. 1995.
Citatione MLA (9a ed.)Valdes, Alberto, e Barry Schaeffer. Surveillance of Agricultural Prices and Trade Policies: A Hangbook for Uruguay. 1995.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.