Idaho. Department of Highways & Idaho State Historical Society. (1963). Route of the Oregon Trail in Idaho. Idaho Dept. of Highways.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Idaho. Department of Highways و Idaho State Historical Society. Route of the Oregon Trail in Idaho. [Boise, Idaho]: Idaho Dept. of Highways, 1963.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Idaho. Department of Highways و Idaho State Historical Society. Route of the Oregon Trail in Idaho. Idaho Dept. of Highways, 1963.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.