Oldroyd, O. H. (2009). A soldier's story of the siege of Vicksburg from the diary of Osborn H.Oldroyd. Digital Scanning Inc. ; s.n..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOldroyd, Osborn H. A Soldier's Story of the Siege of Vicksburg from the Diary of Osborn H.Oldroyd. Scituate, MA : Springfield, Ill.: Digital Scanning Inc. ; s.n., 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्रOldroyd, Osborn H. A Soldier's Story of the Siege of Vicksburg from the Diary of Osborn H.Oldroyd. Digital Scanning Inc. ; s.n., 2009.
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