Coburn, B. (1997). Everest: Mountain without mercy. National Geographic Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCoburn, Broughton. Everest: Mountain Without Mercy. Washington, DC: National Geographic Society, 1997.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCoburn, Broughton. Everest: Mountain Without Mercy. National Geographic Society, 1997.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.