Dyfyniad APA

Kouzes, J. M. (1995). The leadership challenge: How to keep getting extraordinary things done in organizations. San Francisco: Jossey-Bass.

Dyfyniad Arddull Chicago

Kouzes, James M. The Leadership Challenge: How to Keep Getting Extraordinary Things Done in Organizations. San Francisco: Jossey-Bass, 1995.

Dyfyniad MLA

Kouzes, James M. The Leadership Challenge: How to Keep Getting Extraordinary Things Done in Organizations. San Francisco: Jossey-Bass, 1995.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.