Campbell, J. (1864). Special Orders, No. 7, To: Medical Cadet Robert O'Reilly From: John Campbell, Surgeon U.S.A., Medical Director, January 9, 1864.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Campbell, John. Special Orders, No. 7, To: Medical Cadet Robert O'Reilly From: John Campbell, Surgeon U.S.A., Medical Director, January 9, 1864. 1864.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Campbell, John. Special Orders, No. 7, To: Medical Cadet Robert O'Reilly From: John Campbell, Surgeon U.S.A., Medical Director, January 9, 1864. 1864.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.