Yarnell, S. L. (1998). The Southern Appalachians: A history of the landscape. U.S. Dept. of Agriculture, Forest Service, Southern Research Station.
Citace podle Chicago (17th ed.)Yarnell, Susan L. The Southern Appalachians: A History of the Landscape. Asheville, N.C.: U.S. Dept. of Agriculture, Forest Service, Southern Research Station, 1998.
Citace podle MLA (8th ed.)Yarnell, Susan L. The Southern Appalachians: A History of the Landscape. U.S. Dept. of Agriculture, Forest Service, Southern Research Station, 1998.
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