APA

Yukl G. A., . (2010). Leadership in organizations. Upper Saddle River, N.J: Prentice Hall.

Chicago

Yukl Gary A, . 2010. Leadership in organizations. Upper Saddle River, N.J: Prentice Hall.

Harvard

Yukl G. A., . (2010). Leadership in organizations. Upper Saddle River, N.J: Prentice Hall.

MLA

Yukl Gary A, . Leadership in organizations. Upper Saddle River, N.J: Prentice Hall. 2010.