@book{Underhill,2007,
author = {Underhill, B. and McAnally, K. and Koriath, J.},
title = {Executive coaching for results: The definitive guide to developing organizational leaders},
year = {2007},
publisher = {Berrett-Koehler Publishers},
language = {English},
url = {www.amazon.com/Executive-Coaching-Results-Definitive-Organizational-ebook/dp/B005P2A89Q}
}