Pendley, W. P. (2013). Sagebrush rebel: Reagan's battle with environmental extremists and why it matters today. Regnery Publishing.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Pendley, William Perry. Sagebrush Rebel: Reagan's Battle with Environmental Extremists and Why It Matters Today. Washington, D.C.: Regnery Publishing, 2013.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Pendley, William Perry. Sagebrush Rebel: Reagan's Battle with Environmental Extremists and Why It Matters Today. Regnery Publishing, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.