Brown, D. (2018). Up & down: The adventures of John Jeffries, first American to fly. Charlesbridge.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBrown, Don. Up & Down: The Adventures of John Jeffries, First American to Fly. Watertown, MA: Charlesbridge, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBrown, Don. Up & Down: The Adventures of John Jeffries, First American to Fly. Charlesbridge, 2018.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.