Graham, L. (1997). Proversity: Getting past face value and finding the soul of people : a manager's journey. Wiley.
Chicago-referens (17:e uppl.)Graham, Lawrence. Proversity: Getting Past Face Value and Finding the Soul of People : A Manager's Journey. New York: Wiley, 1997.
MLA-referens (8:e uppl.)Graham, Lawrence. Proversity: Getting Past Face Value and Finding the Soul of People : A Manager's Journey. Wiley, 1997.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.