Kagge, E. (2021). The philosophy of an explorer: 16 life-lessons from surviving the extreme. Penguin Books.
Chicago Style (17th ed.) ZitazioaKagge, Erling. The Philosophy of an Explorer: 16 Life-lessons from Surviving the Extreme. London: Penguin Books, 2021.
MLA (9th ed.) ZitazioaKagge, Erling. The Philosophy of an Explorer: 16 Life-lessons from Surviving the Extreme. Penguin Books, 2021.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.