APA (7th ed.) Citation

Kouzes, J. M., & Posner, B. Z. (1999). The leadership challenge (tantangan kepemimpinan). Karisma Publishing.

Chicago Style (17th ed.) Citation

Kouzes, James M., and Barry Z. Posner. The Leadership Challenge (tantangan Kepemimpinan). Karisma Publishing, 1999.

MLA (8th ed.) Citation

Kouzes, James M., and Barry Z. Posner. The Leadership Challenge (tantangan Kepemimpinan). Karisma Publishing, 1999.

Warning: These citations may not always be 100% accurate.