Barrera Varela, P. J. (2020). Two effects of COVID-19 in Colombia: Deepening inequality and a return to hyperpresidentialism. Universidad Pedagógica y Tecnológica de Colombia.
芝加哥风格引文Barrera Varela, Pedro Javier. Two Effects of COVID-19 in Colombia: Deepening Inequality and a Return to Hyperpresidentialism. Universidad Pedagógica y Tecnológica de Colombia, 2020.
MLA引文Barrera Varela, Pedro Javier. Two Effects of COVID-19 in Colombia: Deepening Inequality and a Return to Hyperpresidentialism. Universidad Pedagógica y Tecnológica de Colombia, 2020.
警告：这些引文格式不一定是100％准确.
