Dyfyniad APA

Valdes, A., & Schaeffer, B. (1995). Surveillance of Agricultural Prices and Trade Policies: A Hangbook for Uruguay.

Dyfyniad Arddull Chicago

Valdes, Alberto, and Barry Schaeffer. Surveillance of Agricultural Prices and Trade Policies: A Hangbook for Uruguay. 1995.

Dyfyniad MLA

Valdes, Alberto, and Barry Schaeffer. Surveillance of Agricultural Prices and Trade Policies: A Hangbook for Uruguay. 1995.

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