Cole, D. N. 1. 1. 1., & Yung, L. 1. (2010). Beyond naturalness: Rethinking park and wilderness stewardship in an era of rapid change. Washington, DC: Island Press.
Παραπομπή Chicago StyleCole, David N. 1943- 1965- 1950-, και Laurie 1969- Yung. Beyond Naturalness: Rethinking Park and Wilderness Stewardship in an Era of Rapid Change. Washington, DC: Island Press, 2010.
Παραπομπή MLACole, David N. 1943- 1965- 1950-, και Laurie 1969- Yung. Beyond Naturalness: Rethinking Park and Wilderness Stewardship in an Era of Rapid Change. Washington, DC: Island Press, 2010.
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