Hersey, M. D. (2011). My work is that of conservation: An environmental biography of George Washington Carver. University of Georgia Press.
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Chicago-čujuhus (17. p.)
Hersey, Mark D. My Work Is That of Conservation: An Environmental Biography of George Washington Carver. Athens, Ga.: University of Georgia Press, 2011.
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MLA-čujuhus (9. p.)
Hersey, Mark D. My Work Is That of Conservation: An Environmental Biography of George Washington Carver. University of Georgia Press, 2011.
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