Sawyer, R. T. (2010). America's wetland: An environmental and cultural history of tidewater Virginia and North Carolina. University of Virginia Press.
Lua i Stíl Chicago (17ú heag.)Sawyer, Roy T. America's Wetland: An Environmental and Cultural History of Tidewater Virginia and North Carolina. Charlottesville, Va.: University of Virginia Press, 2010.
Lua MLA (9ú heag.)Sawyer, Roy T. America's Wetland: An Environmental and Cultural History of Tidewater Virginia and North Carolina. University of Virginia Press, 2010.
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