Greene, H. W. (2013). Tracks and shadows: Field biology as art. University of California Press.
Citace podle Chicago (17th ed.)Greene, Harry W. Tracks and Shadows: Field Biology as Art. Berkeley: University of California Press, 2013.
Citace podle MLA (9th ed.)Greene, Harry W. Tracks and Shadows: Field Biology as Art. University of California Press, 2013.
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