Ashley, W. H., & Morgan, D. L. (1954). The diary of William H. Ashley, March 25-June 27, 1825: A record of exploration west across the Continental Divide, down the Green River and into the Great Basin. Missouri Historical Society.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ashley, William Henry, و Dale L. Morgan. The Diary of William H. Ashley, March 25-June 27, 1825: A Record of Exploration West Across the Continental Divide, Down the Green River and into the Great Basin. [St. Louis: Missouri Historical Society, 1954.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ashley, William Henry, و Dale L. Morgan. The Diary of William H. Ashley, March 25-June 27, 1825: A Record of Exploration West Across the Continental Divide, Down the Green River and into the Great Basin. Missouri Historical Society, 1954.