DuBrin, A. J. (2017). Principles of Leadership with CourseMate (7th.). Cengage.
Citazione stile Chigago Style (17a edizione)DuBrin, Andrew J. Principles of Leadership with CourseMate. 7th. New Delhi: Cengage, 2017.
Citatione MLA (9a ed.)DuBrin, Andrew J. Principles of Leadership with CourseMate. 7th. Cengage, 2017.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.