Bravo Chacón, J. (1981). Contamination by waste from the Cañas riverbed.
Citación estilo ChicagoBravo Chacón, Juan. Contamination By Waste From the Cañas Riverbed. 1981.
MLA引文Bravo Chacón, Juan. Contamination By Waste From the Cañas Riverbed. 1981.
警告：這些引文格式不一定是100％准確.