Morgan, H. J., Harkins, P. J., & Goldsmith, M. (2005). The Art and practice of leadership coaching: 50 top executive coaches reveal their secrets. Wiley.
Citazione stile Chigago Style (17a edizione)Morgan, Howard J., Philip J. Harkins, e Marshall Goldsmith. The Art and Practice of Leadership Coaching: 50 Top Executive Coaches Reveal Their Secrets. Hoboken, N.J: Wiley, 2005.
Citatione MLA (9a ed.)Morgan, Howard J., et al. The Art and Practice of Leadership Coaching: 50 Top Executive Coaches Reveal Their Secrets. Wiley, 2005.
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