Guinn, J. (2019). The vagabonds: The story of Henry Ford and Thomas Edison's ten-year road trip (First Simon & Schuster hardcover edition.). Simon & Schuster.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGuinn, Jeff. The Vagabonds: The Story of Henry Ford and Thomas Edison's Ten-year Road Trip. First Simon & Schuster hardcover edition. New York: Simon & Schuster, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGuinn, Jeff. The Vagabonds: The Story of Henry Ford and Thomas Edison's Ten-year Road Trip. First Simon & Schuster hardcover edition. Simon & Schuster, 2019.
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