Nicholson, I. (2024). Climbing self-rescue: Essential skills, technical tips & improvised solutions (First edition.). Mountaineers Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNicholson, Ian. Climbing Self-rescue: Essential Skills, Technical Tips & Improvised Solutions. First edition. Seattle, WA: Mountaineers Books, 2024.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNicholson, Ian. Climbing Self-rescue: Essential Skills, Technical Tips & Improvised Solutions. First edition. Mountaineers Books, 2024.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.