Thomas, J. W., & Steen, H. K. (2004). Jack Ward Thomas: The journals of a Forest Service chief. Forest History Society ; In association with University of Washington Press.
Citace podle Chicago (17th ed.)Thomas, Jack Ward, a Harold K. Steen. Jack Ward Thomas: The Journals of a Forest Service Chief. Durham, North Carolina : Seattle: Forest History Society ; In association with University of Washington Press, 2004.
Citace podle MLA (9th ed.)Thomas, Jack Ward, a Harold K. Steen. Jack Ward Thomas: The Journals of a Forest Service Chief. Forest History Society ; In association with University of Washington Press, 2004.
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