Cita APA (7th ed.)

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.