Allen, T. B., & Allen, R. M. (2009). Mr. Lincoln's high-tech war: How the North used the telegraph, railroads, surveillance balloons, iron-clads, high-powered weapons, and more to win the Civil War. National Geographic.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAllen, Thomas B., और Roger MacBride Allen. Mr. Lincoln's High-tech War: How the North Used the Telegraph, Railroads, Surveillance Balloons, Iron-clads, High-powered Weapons, and More to Win the Civil War. Washington, D.C.: National Geographic, 2009.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAllen, Thomas B., और Roger MacBride Allen. Mr. Lincoln's High-tech War: How the North Used the Telegraph, Railroads, Surveillance Balloons, Iron-clads, High-powered Weapons, and More to Win the Civil War. National Geographic, 2009.
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