Cita APA (7a ed.)

Yukl, G. A. (1989). Leadership in organizations (2 ed.). Prentice-Hall Intern..

Cita Chicago Style (17a ed.)

Yukl, Gary A.. Leadership in Organizations. 2 ed. Englewood Cliffs: Prentice-Hall Intern., 1989.

Cita MLA (9a ed.)

Yukl, Gary A.. Leadership in Organizations. 2 ed. Prentice-Hall Intern., 1989.