KOUZES, James M. - POSNER, Barry Z. The Leadership Challenge : How to Keep Getting Extraordinary Things Done in Organizations. 2. ed. San Francisco : Jossey-Bass Publ., 1995. 405 s. The Jossey-Bass management series. ISBN 0-7879-0269-1. [Počet ex. : 1, z toho voľných 1, prezenčne 0]