Lua APA (7ú heag.)
Gardner, A. B. (2014). Grasses in your pocket: A guide to the prairie grasses of the Upper Midwest. University of Iowa Press.
Lua i Stíl Chicago (17ú heag.)
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.
Lua MLA (9ú heag.)
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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