Perkins, D. N. T. (2000). Leading at the edge: Leadership lessons from the extraordinary saga of Shackleton's antartic expedition. American Management Association.
Lua i Stíl Chicago (17ú heag.)Perkins, Dennis N. T. Leading at the Edge: Leadership Lessons from the Extraordinary Saga of Shackleton's Antartic Expedition. New York: American Management Association, 2000.
Lua MLA (9ú heag.)Perkins, Dennis N. T. Leading at the Edge: Leadership Lessons from the Extraordinary Saga of Shackleton's Antartic Expedition. American Management Association, 2000.
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