Vallejo Zamudio, L. E. (2016). The largest trade agreement in the world. Universidad Pedagógica y Tecnológica de Colombia.
Chicago Style (17. basım) AtıfVallejo Zamudio, Luis Eudoro. The Largest Trade Agreement in the World. Universidad Pedagógica y Tecnológica de Colombia, 2016.
MLA (9th ed.) AtıfVallejo Zamudio, Luis Eudoro. The Largest Trade Agreement in the World. Universidad Pedagógica y Tecnológica de Colombia, 2016.
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