Schwan, T. (1898). Typescript letter. Military Promotion of Rank, To: Lt. Colonel Robert O'Reilly, Chief Surgeon From: Colonel Theodore Schwan, Assistant Adjutant General, May, 18, 1898.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Schwan, Theodore. Typescript Letter. Military Promotion of Rank, To: Lt. Colonel Robert O'Reilly, Chief Surgeon From: Colonel Theodore Schwan, Assistant Adjutant General, May, 18, 1898. 1898.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Schwan, Theodore. Typescript Letter. Military Promotion of Rank, To: Lt. Colonel Robert O'Reilly, Chief Surgeon From: Colonel Theodore Schwan, Assistant Adjutant General, May, 18, 1898. 1898.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.