Graham, L. (1997). Proversity: Getting past face value and finding the soul of people : a manager's journey. Wiley.
Citace podle Chicago (17th ed.)Graham, Lawrence. Proversity: Getting Past Face Value and Finding the Soul of People : A Manager's Journey. New York: Wiley, 1997.
Citace podle MLA (8th ed.)Graham, Lawrence. Proversity: Getting Past Face Value and Finding the Soul of People : A Manager's Journey. Wiley, 1997.
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