Conservation History Association of Texas, Todd, D., & Weisman, D. (2010). The Texas Legacy Project: Stories of courage and conservation. Texas A&M University Press.
Citace podle Chicago (17th ed.)Conservation History Association of Texas, David Todd, a David Weisman. The Texas Legacy Project: Stories of Courage and Conservation. College Station: Texas A&M University Press, 2010.
Citace podle MLA (9th ed.)Conservation History Association of Texas, et al. The Texas Legacy Project: Stories of Courage and Conservation. Texas A&M University Press, 2010.
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