Cardinal. Taking Aviation to New Heights. University of Ottawa Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCardinal. Taking Aviation to New Heights. University of Ottawa Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCardinal. Taking Aviation to New Heights. University of Ottawa Press.
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