Gilbert, J. (1975). The world's worst aircraft. M & J Hobbs in association with Michael Joseph.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGilbert, James. The World's Worst Aircraft. Walton-on-Thames [Eng.]: M & J Hobbs in association with Michael Joseph, 1975.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGilbert, James. The World's Worst Aircraft. M & J Hobbs in association with Michael Joseph, 1975.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.