Frigon, N., Jackson, H. The Leader. New York: AMACOM, 1996 168 p. il. 0-8144-7924-3.
Frigon, N., Jackson, H. The Leader. New York: AMACOM, 1996 168 p. il. 0-8144-7924-3.
Frigon, N., Jackson, H. (1996) The Leader, New York: AMACOM 168 p. il. 0-8144-7924-3.
Frigon, N., & Jackson, H. (1996). The Leader. Developing the Skills & Personal Qualities You Need to Lead Effectively. New York: AMACOM, 168 p. il.
Frigon N, Jackson H. The Leader: Developing the Skills & Personal Qualities You Need to Lead Effectively. New York: AMACOM; 1996. p. 168 p. il. ISBN: 0-8144-7924-3.
