(2008). Central Kupreanof Timber Harvest: Draft environmental impact statement / Tongass National Forest, USDA Forest Service, Alaska Region ; lead agency, USDA Forest Service, Tongass National Forest ; responsible official, Forrest Cole.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Central Kupreanof Timber Harvest: Draft Environmental Impact Statement / Tongass National Forest, USDA Forest Service, Alaska Region ; Lead Agency, USDA Forest Service, Tongass National Forest ; Responsible Official, Forrest Cole. 2008.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Central Kupreanof Timber Harvest: Draft Environmental Impact Statement / Tongass National Forest, USDA Forest Service, Alaska Region ; Lead Agency, USDA Forest Service, Tongass National Forest ; Responsible Official, Forrest Cole. 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.