United States. Bureau of Land Management. Delta Resource Area & McCool, S. F. (1974). Little Sahara recreation area and off-road vehicles: Problems, priorities and promising solutions. Delta Resource Area, Bureau of Land Management.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United States. Bureau of Land Management. Delta Resource Area و Stephen F. McCool. Little Sahara Recreation Area and Off-road Vehicles: Problems, Priorities and Promising Solutions. Logan, Utah: Delta Resource Area, Bureau of Land Management, 1974.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)United States. Bureau of Land Management. Delta Resource Area و Stephen F. McCool. Little Sahara Recreation Area and Off-road Vehicles: Problems, Priorities and Promising Solutions. Delta Resource Area, Bureau of Land Management, 1974.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.