Clark, F. G. (1975). The story of the world's most advanced passenger aircraft. London: Phoebus Publishing Company.
शिकागो स्टाइल उद्धरणClark, F. G. The Story of the World's Most Advanced Passenger Aircraft. London: Phoebus Publishing Company, 1975.
एमएलए उद्धरणClark, F. G. The Story of the World's Most Advanced Passenger Aircraft. London: Phoebus Publishing Company, 1975.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.