Lua APA (7ú heag.)
Kouzes, J. M., & Posner, B. Z. (1987). The leadership challenge: How to get extraordinary things done in organizations. Jossey-Bass.
Lua i Stíl Chicago (17ú heag.)
Kouzes, James M., agus Barry Z. Posner. The Leadership Challenge: How to Get Extraordinary Things Done in Organizations. San Francisco: Jossey-Bass, 1987.
Lua MLA (9ú heag.)
Kouzes, James M., agus Barry Z. Posner. The Leadership Challenge: How to Get Extraordinary Things Done in Organizations. Jossey-Bass, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.