Παραπομπή σε μορφή APA (7η εκδ.)

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.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Trochez Gonzalez, Johanna, Marisol Valencia Cárdenas, και 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.

Παραπομπή σε μορφή MLA (9th εκδ.)

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.