Blanchard, K., & Ken Blanchard Companies. (2007). Leading at a higher level: Blanchard on leadership and creating high performing organizations. Prentice-Hall.
Cita Chicago (17th ed.)Blanchard, Ken, i Ken Blanchard Companies. Leading at a Higher Level: Blanchard on Leadership and Creating High Performing Organizations. Upper Saddle River, N.J: Prentice-Hall, 2007.
Cita MLA (9th ed.)Blanchard, Ken, i Ken Blanchard Companies. Leading at a Higher Level: Blanchard on Leadership and Creating High Performing Organizations. Prentice-Hall, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.