Samuels, G. B. (1999). Enduring roots: Encounters with trees, history, and the American landscape. Rutgers University Press.
Citace podle Chicago (17th ed.)Samuels, Gayle Brandow. Enduring Roots: Encounters with Trees, History, and the American Landscape. New Brunswick, N.J.: Rutgers University Press, 1999.
Citace podle MLA (9th ed.)Samuels, Gayle Brandow. Enduring Roots: Encounters with Trees, History, and the American Landscape. Rutgers University Press, 1999.
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