Rosburg, T. (2012). Trees in our pocket: A guide to trees of the Upper Midwest. University of Iowa Press.
Citace podle Chicago (17th ed.)Rosburg, Thomas. Trees in Our Pocket: A Guide to Trees of the Upper Midwest. [Iowa City]: University of Iowa Press, 2012.
Citace podle MLA (9th ed.)Rosburg, Thomas. Trees in Our Pocket: A Guide to Trees of the Upper Midwest. University of Iowa Press, 2012.
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