Oregon Trail Memorial Association, Meeker, E., & Driggs, H. R. (1932). Covered-wagon centennial and Ox-team days (Oregon trail memorial ed. 29 December 1931.). Published for Oregon trail memorial association by World Book Co.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Oregon Trail Memorial Association, Ezra Meeker, و Howard R. Driggs. Covered-wagon Centennial and Ox-team Days. Oregon trail memorial ed. 29 December 1931. Yonkers-on-Hudson, N.Y.: Published for Oregon trail memorial association by World Book Co, 1932.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Oregon Trail Memorial Association, et al. Covered-wagon Centennial and Ox-team Days. Oregon trail memorial ed. 29 December 1931. Published for Oregon trail memorial association by World Book Co, 1932.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.