Diaz, Maria Cristina and Rützler, Klaus. 2009. "Biodiversity and Abundance of Sponges in Caribbean Mangrove: Indicators of Environmental Quality." In Proceedings of the Smithsonian Marine Science Symposium. 151–172. Washington, DC: Smithsonian Institution Scholarly Press. In Smithsonian Contributions to the Marine Sciences. http://doi.org/10.5479/si.01960768.38.151.