Kouzes, J. M., & Posner, B. Z. (2012). The leadership challenge: How to make extraordinary things happen in organizations (5th ed.). Jossey-Bass.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Kouzes, James M., ба Barry Z. Posner. The Leadership Challenge: How to Make Extraordinary Things Happen in Organizations. 5th ed. San Francisco: Jossey-Bass, 2012.
MLA -ийн эшлэл (9 дэх хэвлэлт)Kouzes, James M., ба Barry Z. Posner. The Leadership Challenge: How to Make Extraordinary Things Happen in Organizations. 5th ed. Jossey-Bass, 2012.
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