1. M. Pidwimy, Fundamentals of physical geography. Physical geography net (2006). Accessed 19 March 2007
2. P.H. Gleick, in Water resources in encyclopedia of climate and weather, vol. 2, ed. by S.H. Schneider (Oxford University Press, New York, 1996), pp. 817–823
3. Government of New Brunswick, Environment and Local Government, www2.gnb.ca/content/gnb/en/department/elg/environment/content/water/content/lakes/the_impotance_oflakes.html
4. Conservation and Management of Lakes—an Indian Perspective, Ministry of Environment and Forests, Government of India, 2010
5. Texas Parks and Wildlife Department. www.tpwd.state.tx.us/landwater/water/habitats/rivers/glossary.phtml