Vivas Lloreda, W. Y. (2019). The mining and forest in territory protected in the Republic of Colombia. Corporación Universitaria Americana.
芝加哥风格引文Vivas Lloreda, William Yeffer. The Mining and Forest in Territory Protected in the Republic of Colombia. Corporación Universitaria Americana, 2019.
MLA引文Vivas Lloreda, William Yeffer. The Mining and Forest in Territory Protected in the Republic of Colombia. Corporación Universitaria Americana, 2019.
警告：这些引文格式不一定是100％准确.