Los Rios.Archived April 1, 2012, at the Wayback Machine Hojas de Nuestro Ambiente. February 2007: P013. Page 3. Puerto Rico Department of Natural and Environmental Resources. Retrieved 30 October 2011.
Los Rios.Archived April 1, 2012, at the Wayback Machine Hojas de Nuestro Ambiente. February 2007: P013. Page 3. Puerto Rico Department of Natural and Environmental Resources. Retrieved 30 October 2011.
mitaino.com
Los Ríos de Puerto Rico. MiTaino.com. 2009. Originally from the Puerto Rico Department of Natural and environmental Resources. Retrieved 7 December 2011.
Los Rios.Archived April 1, 2012, at the Wayback Machine Hojas de Nuestro Ambiente. February 2007: P013. Page 3. Puerto Rico Department of Natural and Environmental Resources. Retrieved 30 October 2011.
Los Rios.Archived April 1, 2012, at the Wayback Machine Hojas de Nuestro Ambiente. February 2007: P013. Page 3. Puerto Rico Department of Natural and Environmental Resources. Retrieved 30 October 2011.