White, P. J., Gunther, K. A., & Van Manen, F. T. (2017). Yellowstone grizzly bears: Ecology and conservation of an icon of wildness. National Park Service, Yellowstone National Park.
Chicago-Zitierstil (17. Ausg.)White, P. J., Kerry A. Gunther, und Frank T. Van Manen. Yellowstone Grizzly Bears: Ecology and Conservation of an Icon of Wildness. Yellowstone National Park, [Wyoming]: National Park Service, Yellowstone National Park, 2017.
MLA-Zitierstil (9. Ausg.)White, P. J., et al. Yellowstone Grizzly Bears: Ecology and Conservation of an Icon of Wildness. National Park Service, Yellowstone National Park, 2017.
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