APA (7 वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, Freehling, W. W., & Simpson, C. M. (2010). Showdown in Virginia: The 1861 convention and the fate of the Union. University of Virginia Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, William W. Freehling, और Craig M. Simpson. Showdown in Virginia: The 1861 Convention and the Fate of the Union. Charlottesville: University of Virginia Press, 2010.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, et al. Showdown in Virginia: The 1861 Convention and the Fate of the Union. University of Virginia Press, 2010.
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