Pacific Northwest Forest and Range Experiment Station (Portland, Or.). Information Services, Wildlife Management Institute, United States. Bureau of Land Management, & Thomas, J. W. (1979). Wildlife habitats in managed forests: The Blue Mountains of Oregon and Washington. U.S. Dept. of Agriculture, Forest Service ; for sale by the Supt. of Docs., U.S. Govt. Print. Off.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Pacific Northwest Forest and Range Experiment Station (Portland, Or.). Information Services, Wildlife Management Institute, United States. Bureau of Land Management, و Jack Ward Thomas. Wildlife Habitats in Managed Forests: The Blue Mountains of Oregon and Washington. U.S. Dept. of Agriculture, Forest Service ; for sale by the Supt. of Docs., U.S. Govt. Print. Off, 1979.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Pacific Northwest Forest and Range Experiment Station (Portland, Or.). Information Services, et al. Wildlife Habitats in Managed Forests: The Blue Mountains of Oregon and Washington. U.S. Dept. of Agriculture, Forest Service ; for sale by the Supt. of Docs., U.S. Govt. Print. Off, 1979.