K2
Tham khảo
Sách
- Viesturs, Ed; Roberts, David (2010), K2: Life and Death on the World's Most Dangerous Mountain, Crown, ISBN 978-0-7679-3260-8
- Sale, Richard (2011), The Challenge of K2: A History of the Savage Mountain, Casemate Publishers, ISBN 978-1-84468-702-2