McCullough, D. G. (2015). The Wright brothers. Thorndike Press, a part of Gale, Cengage Learning/Gale, Cengage Learning.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMcCullough, David G. The Wright Brothers. Waterville, Maine: Thorndike Press, a part of Gale, Cengage Learning/Gale, Cengage Learning, 2015.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMcCullough, David G. The Wright Brothers. Thorndike Press, a part of Gale, Cengage Learning/Gale, Cengage Learning, 2015.
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