Smith, J. P., & Simpson, K. (2014). Field guide to grasses of California. University of California Press.
Tohutoru Kātū Chicago (17th ed.)Smith, James P., me Kathy Simpson. Field Guide to Grasses of California. Oakland, California: University of California Press, 2014.
Tohutoro MLA (9th ed.)Smith, James P., me Kathy Simpson. Field Guide to Grasses of California. University of California Press, 2014.
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