References
Callicott, J. Baird.1980. “Animal Liberation: A Triangular Affair. Environmental Ethics 2: 311–38.
Callicott, J. Baird.1991a. “That Good Old‐Time Wilderness Religion. The Environmental Professional 13: 378–79.
Callicott, J. Baird.1991b. “The Wilderness Idea Revisited: The Sustainable Development Alternative. The Environmental Professional 13: 235–47.
Ferré, Frederick.1989. “Obstacles on the Path to Organismic Ethics. Environmental Ethics 11:231–41.
Leopold, Aldo. [1949] 1966. A Sand County Almanac: With Essays on Conservation from Round River. New York : Ballantine Books.
Rolston, Holmes, III.1988. Environmental Ethics: Duties to and Values in the Natural World. Philadelphia : Temple Univ. Press.
Rolston, Holmes, III. 1991. “The Wilderness Idea Reaffirmed. The Environmental Professional 13:370–77.