Elliott, Clayton R. (agosto de 2010). Innovation in the U.S. Bureau of Land Management: Insights from Integrating Mule Deer Management with Oil and Gas Leasing (Masters Thesis) (Thesis) (em inglês). Universidade de Montana. pp. 42–51. hdl:2027.42/77588
Elliott, Clayton R. (agosto de 2010). Innovation in the U.S. Bureau of Land Management: Insights from Integrating Mule Deer Management with Oil and Gas Leasing (Masters Thesis) (Thesis) (em inglês). Universidade de Montana. p. 45. hdl:2027.42/77588
Elliott, Clayton R. (agosto de 2010). Innovation in the U.S. Bureau of Land Management: Insights from Integrating Mule Deer Management with Oil and Gas Leasing (Masters Thesis) (Thesis) (em inglês). Universidade de Montana. pp. 5, 51–52. hdl:2027.42/77588