Trochez Gonzalez, J., Valencia Cárdenas, M., & Salazar Uribe, J. C. (2018). The Effects of the Free Trade Agreement with the United States and the Prices of Colombian Corn. Universidad Pedagógica y Tecnológica de Colombia.
Čikaški stil citiranja (17. izdanje)Trochez Gonzalez, Johanna, Marisol Valencia Cárdenas, i Juan Carlos Salazar Uribe. The Effects of the Free Trade Agreement with the United States and the Prices of Colombian Corn. Universidad Pedagógica y Tecnológica de Colombia, 2018.
MLA način citiranja (9. izdanje)Trochez Gonzalez, Johanna, et al. The Effects of the Free Trade Agreement with the United States and the Prices of Colombian Corn. Universidad Pedagógica y Tecnológica de Colombia, 2018.
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