Pendley, W. P. (2013). Sagebrush rebel: Reagan's battle with environmental extremists and why it matters today. Regnery Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPendley, William Perry. Sagebrush Rebel: Reagan's Battle with Environmental Extremists and Why It Matters Today. Washington, D.C.: Regnery Publishing, 2013.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPendley, William Perry. Sagebrush Rebel: Reagan's Battle with Environmental Extremists and Why It Matters Today. Regnery Publishing, 2013.
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