Kottler, J. A. (1983). Pragmatic group leadership. Brooks/Cole Pub. Co..
Cita Chicago (17th ed.)Kottler, Jeffrey A. Pragmatic Group Leadership. Monterey, Calif.: Brooks/Cole Pub. Co., 1983.
Cita MLA (8th ed.)Kottler, Jeffrey A. Pragmatic Group Leadership. Brooks/Cole Pub. Co., 1983.
Atenció: Aquestes cites poden no estar 100% correctes.