Mejía Echeverri, S. A. (2017). Programs for Teaching Drawing in the 1890S. Universidad Pedagógica y Tecnológica de Colombia.
芝加哥风格引文Mejía Echeverri, Silvana Andrea. Programs for Teaching Drawing in the 1890S. Universidad Pedagógica y Tecnológica de Colombia, 2017.
MLA引文Mejía Echeverri, Silvana Andrea. Programs for Teaching Drawing in the 1890S. Universidad Pedagógica y Tecnológica de Colombia, 2017.
警告：这些引文格式不一定是100％准确.
