Perkins, D. N. T. (2000). Leading at the edge: Leadership lessons from the extraordinary saga of Shackleton's antartic expedition. American Management Association.
Chicago-referens (17:e uppl.)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.
MLA-referens (9:e uppl.)Perkins, Dennis N. T. Leading at the Edge: Leadership Lessons from the Extraordinary Saga of Shackleton's Antartic Expedition. American Management Association, 2000.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.