Gardner, A. B. (2014). Grasses in your pocket: A guide to the prairie grasses of the Upper Midwest. University of Iowa Press.
Citace podle Chicago (17th ed.)Gardner, Anna B. Grasses in Your Pocket: A Guide to the Prairie Grasses of the Upper Midwest. Iowa City, Iowa: University of Iowa Press, 2014.
Citace podle MLA (9th ed.)Gardner, Anna B. Grasses in Your Pocket: A Guide to the Prairie Grasses of the Upper Midwest. University of Iowa Press, 2014.
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