Perkins, D. N. T. (2000). Leading at the edge: Leadership lessons from the extraordinary saga of Shackleton's antartic expedition. American Management Association.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)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.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Perkins, Dennis N. T. Leading at the Edge: Leadership Lessons from the Extraordinary Saga of Shackleton's Antartic Expedition. American Management Association, 2000.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.