APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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