"Liberia; Baila; St. John". Global River Discharge Database. Center for Sustainability and the Global Environment. October 24, 2008. Archived from the original on July 20, 2011. Retrieved 2008-10-30.
wisc.edu
sage.wisc.edu
"Liberia; Baila; St. John". Global River Discharge Database. Center for Sustainability and the Global Environment. October 24, 2008. Archived from the original on July 20, 2011. Retrieved 2008-10-30.