Uldrich, J., Lewis, M., & Clark, W. (2004). Into the unknown: Leadership lessons from Lewis & Clark's daring westward expedition. American Management Association.
Čikaški stil citiranja (17. izdanje)Uldrich, Jack, Meriwether Lewis, i William Clark. Into the Unknown: Leadership Lessons from Lewis & Clark's Daring Westward Expedition. New York: American Management Association, 2004.
MLA način citiranja (9. izdanje)Uldrich, Jack, et al. Into the Unknown: Leadership Lessons from Lewis & Clark's Daring Westward Expedition. American Management Association, 2004.
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