APA (7e ed.) Bronvermelding

Yukl, G., Gardner, W. L., & Uppal, N. (2020). Leadership in Organizations (9th ed.). Pearson.

Chicago (17e ed.) Bronvermelding

Yukl, Gary, William L. Gardner, en Nishant Uppal. Leadership in Organizations. 9th ed. Uttar Pradesh: Pearson, 2020.

MLA (9e ed.) Bronvermelding

Yukl, Gary, et al. Leadership in Organizations. 9th ed. Pearson, 2020.