Wharton, M. E. (1991). Bluegrass land & life: Land character, plants, and animals of the Inner Bluegrass region of Kentucky, past, present, and future. The University Press of Kentucky.
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Chicago-čujuhus (17. p.)
Wharton, Mary E. Bluegrass Land & Life: Land Character, Plants, and Animals of the Inner Bluegrass Region of Kentucky, Past, Present, and Future. Lexington, Kentucky: The University Press of Kentucky, 1991.
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MLA-čujuhus (9. p.)
Wharton, Mary E. Bluegrass Land & Life: Land Character, Plants, and Animals of the Inner Bluegrass Region of Kentucky, Past, Present, and Future. The University Press of Kentucky, 1991.
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