Black, B. &. H. (2017). Ego free leadership: Ending the uncoscious habits. Greenleaf Book Group Press.
Chicago-referens (17:e uppl.)Black, Brandon & Huges. Ego Free Leadership: Ending the Uncoscious Habits. Austin, Texas: Greenleaf Book Group Press, 2017.
MLA-referens (9:e uppl.)Black, Brandon & Huges. Ego Free Leadership: Ending the Uncoscious Habits. Greenleaf Book Group Press, 2017.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.