Negotiating Skills: How to Negotiate Anything to Your Advantage, Jim Berry (2014)
http://www.amazon.co.uk/Negotiating-Skills-Negotiate-Anything-Advantage/dp/1505559871/ref=sr_1_2?s=books&ie=UTF8&qid=1421273901&sr=1-2&keywords=Negotiating+Skills
Category: Negotiation