Anderton, Laurel K., and Mary E. Barkworth, editors. “Preface.” Grasses of the Intermountain Region, by Cindy Talbot Roché et al., University Press of Colorado, 2009, pp. vii-viii, www.jstor.org/stable/j.ctt4cgkpj.3. Accessed 29 Nov. 2020.
Roché, C., Vorobik, L., Long, S., Miller, A., Gunn, B., & Roberts, C. (2009). Preface. In Anderton L. & Barkworth M. (Eds.), Grasses of the Intermountain Region (pp. Vii-Viii). University Press of Colorado. Retrieved November 29, 2020, from http://www.jstor.org/stable/j.ctt4cgkpj.3
"Preface." In Grasses of the Intermountain Region, edited by Anderton Laurel K. and Barkworth Mary E., by Roché Cindy Talbot, Vorobik Linda Ann, Long Sandy, Miller Annaliese, Gunn Bee F., and Roberts Christine, Vii-iii. University Press of Colorado, 2009. Accessed November 29, 2020. http://www.jstor.org/stable/j.ctt4cgkpj.3.
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