Hafen, L. R., & Hafen, A. W. (1960). Fremont's fourth expedition: A documentary account of the disaster of 1848-1849, with diaries, letters, and reports by participants in the tragedy. A. H. Clark Co..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Hafen, LeRoy R., و Ann W. Hafen. Fremont's Fourth Expedition: A Documentary Account of the Disaster of 1848-1849, with Diaries, Letters, and Reports by Participants in the Tragedy. Glendale, Calif.: A. H. Clark Co., 1960.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Hafen, LeRoy R., و Ann W. Hafen. Fremont's Fourth Expedition: A Documentary Account of the Disaster of 1848-1849, with Diaries, Letters, and Reports by Participants in the Tragedy. A. H. Clark Co., 1960.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.