Ward Thomas, J. (1979). Wildlife habitats in management forests: The blue mountains of Oregon and Washington. Washington, D. C.: U.S. Department of Agriculture.
Citación estilo ChicagoWard Thomas, Jack. Wildlife Habitats in Management Forests: The Blue Mountains of Oregon and Washington. Washington, D. C.: U.S. Department of Agriculture, 1979.
Cita MLAWard Thomas, Jack. Wildlife Habitats in Management Forests: The Blue Mountains of Oregon and Washington. Washington, D. C.: U.S. Department of Agriculture, 1979.
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