Yukl, G., Gardner, W. L., & Uppal, N. (2020). Leadership in Organizations (9th ed.). Pearson.
Lua i Stíl Chicago (17ú heag.)Yukl, Gary, William L. Gardner, agus Nishant Uppal. Leadership in Organizations. 9th ed. Uttar Pradesh: Pearson, 2020.
Lua MLA (9ú heag.)Yukl, Gary, et al. Leadership in Organizations. 9th ed. Pearson, 2020.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.