Caro Lopera, M. A., & García Zambrano, L. P. (2020). Argumentative Trends in Opinion Columns in Two High Circulation Colombian Newspapers. Universidad Pedagógica y Tecnológica de Colombia.
芝加哥风格引文Caro Lopera, Miguel Angel, 与 Liliana Patricia García Zambrano. Argumentative Trends in Opinion Columns in Two High Circulation Colombian Newspapers. Universidad Pedagógica y Tecnológica de Colombia, 2020.
MLA引文Caro Lopera, Miguel Angel, 与 Liliana Patricia García Zambrano. Argumentative Trends in Opinion Columns in Two High Circulation Colombian Newspapers. Universidad Pedagógica y Tecnológica de Colombia, 2020.
警告：这些引文格式不一定是100％准确.
