Valdes, A., & Schaeffer, B. (1995). Surveillance of Agricultural Prices and Trade Policies: A Hangbook for Uruguay.
Chicago Style (17. basım) AtıfValdes, Alberto, ve Barry Schaeffer. Surveillance of Agricultural Prices and Trade Policies: A Hangbook for Uruguay. 1995.
MLA (9th ed.) AtıfValdes, Alberto, ve Barry Schaeffer. Surveillance of Agricultural Prices and Trade Policies: A Hangbook for Uruguay. 1995.
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