(2005). ¿Qué es una cuenca? United States Department of Agriculture, Natural Resources Conservation Service.
Chicago Style (17th ed.) Citation¿Qué Es Una Cuenca? [Washington, D.C.]: United States Department of Agriculture, Natural Resources Conservation Service, 2005.
MLA (9th ed.) Citation¿Qué Es Una Cuenca? United States Department of Agriculture, Natural Resources Conservation Service, 2005.
Warning: These citations may not always be 100% accurate.