@book{Whitmore,1996,
author = {Whitmore, S.},
title = {Coaching for performance},
year = {1996},
publisher = {Pfeiffer},
language = {English Russian},
url = {www.amazon.com/Coaching-Performance-Practical-Professionals-Paperback/dp/B00SLV283C/ref=sr_1_2?ie=UTF8&qid=1519223092&sr=8-2&keywords=coaching+for+performance+1996}
}