APA aipamena

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

Chicago Style aipamena

Yukl, Gary A. Leadership in Organizations. 2nd ed. Englewood Cliffs, N. J: Prentice Hall, 1989.

MLA aipamena

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