APA (7th ed.) Zitazioa
Kouzes, J. M., & Posner, B. Z. (1987). The leadership challenge: How to get extraordinary things done in organizations. Jossey-Bass.
Chicago Style (17th ed.) Zitazioa
Kouzes, James M., eta Barry Z. Posner. The Leadership Challenge: How to Get Extraordinary Things Done in Organizations. San Francisco: Jossey-Bass, 1987.
MLA (9th ed.) Zitazioa
Kouzes, James M., eta Barry Z. Posner. The Leadership Challenge: How to Get Extraordinary Things Done in Organizations. Jossey-Bass, 1987.
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