ebrary, Inc, American Academy of Religion. National Meeting, Barnhill, D. L., & Gottlieb, R. S. (2001). Deep ecology and world religions: New essays on sacred grounds. State University of New York Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)ebrary, Inc, American Academy of Religion. National Meeting, David Landis Barnhill, و Roger S. Gottlieb. Deep Ecology and World Religions: New Essays on Sacred Grounds. Albany: State University of New York Press, 2001.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)ebrary, Inc, et al. Deep Ecology and World Religions: New Essays on Sacred Grounds. State University of New York Press, 2001.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.